The Red Arrows fly over fly in formation over Buckingham Palace and huge crowds on the Mall to celebrate the Queen's Diamond Jubilee in London on June 5, 2012. Britain's Queen Elizabeth II wraps up four days of diamond jubilee celebrations with a thanksgiving service and ceremonial carriage procession in London, a formal contrast to the spectacular pop tribute staged outside Buckingham Palace the day before. AFP PHOTO / POOL / PETER MACDIARMID (Photo credit should read PETER MACDIARMID/AFP/GettyImages) Photo: PETER MACDIARMID, AFP/Getty Images

Britain's Catherine, Duchess of Cambridge, and Prince William ride in a State Landau coach during a carriage procession from Westminster Hall to Buckingham Palace after attending a national service of thanksgiving to celebrate the Queen's Diamond Jubilee in London on June 5, 2012. Queen Elizabeth II attended the final day of celebrations for her diamond jubilee Tuesday, but the pomp and splendour were marred by the absence of her husband Prince Philip after he was hospitalised. AFP PHOTO / PAUL ELLIS (Photo credit should read PAUL ELLIS/AFP/GettyImages) Photo: PAUL ELLIS, AFP/Getty Images

General view shows the stage and spectators of the The Diamond Jubilee Concert outside Buckingham Palace in London, on June 4, 20112. A chain of more than 4,200 beacons began to flare across the globe Monday to mark Queen Elizabeth II's diamond jubilee, with the last to be lit by the monarch at a star-studded concert at Buckingham Palace. AFP PHOTO / DAVID BEBBER /POOL (Photo credit should read DAVID BEBBER/AFP/GettyImages) Photo: DAVID BEBBER, AFP/Getty Images

Prince Edward, Earl of Wessex, Sophie, Countess of Wessex, and their daughter Lady Louise arrive at St Paul's Cathedral during the Queen?s Diamond Jubilee in London on June 5, 2012. Britain's Queen Elizabeth II wraps up four days of diamond jubilee celebrations and festivities will conclude with a ceremonial carriage procession in London, a formal contrast to the spectacular pop tribute staged outside Buckingham Palace the day before. AFP PHOTO / IAN KINGTON (Photo credit should read IAN KINGTON/AFP/GettyImages) Photo: IAN KINGTON, AFP/Getty Images

Britain's Queen Elizabeth II (L) and Camilla, Duchess of Cornwall ride in the 1902 State Landau coach during a carriage procession from Westminster Hall to Buckingham Palace after attending a national service of thanksgiving to celebrate the Queen's Diamond Jubilee in London on June 5, 2012. Queen Elizabeth II attended the final day of celebrations for her diamond jubilee Tuesday, but the pomp and splendour were marred by the absence of her husband Prince Philip after he was hospitalised. AFP PHOTO / PAUL ELLIS (Photo credit should read PAUL ELLIS/AFP/GettyImages) Photo: PAUL ELLIS, AFP/Getty Images

Queen Elizabeth II walks with David Wooton the Lord Mayor of London, after arriving AT Mansion House, in the City of London, for a reception hosted by the Lord Mayor of London and the City in honour of her Diamond Jubilee in London on June 5, 2012. Britain's Queen Elizabeth II wraps up four days of diamond jubilee celebrations and festivities will conclude with a ceremonial carriage procession in London, a formal contrast to the spectacular pop tribute staged outside Buckingham Palace the day before. AFP PHOTO /JOHN STILLWELL / POOL (Photo credit should read JOHN STILLWELL/AFP/GettyImages) Photo: JOHN STILLWELL, AFP/Getty Images

Prince Harry (R) points as Catherine, Duchess of Cambridge (L) follows from the balcony of Buckingham Palace during the flyover of aircraft on the final ceremonial day of the Queens Diamond Jubilee celebrations in London on June 5, 2012. Queen Elizabeth II led a grand carriage procession through London to mark her diamond jubilee Tuesday but faced the crowning moment of the festivities without her ill husband Prince Philip. AFP PHOTO / LEON NEAL (Photo credit should read LEON NEAL/AFP/GettyImages) Photo: LEON NEAL, AFP/Getty Images

LONDON, UNITED KINGDOM - JUNE 05: Queen Elizabeth II attends a service of thanksgiving on June 5, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of wellwishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. Photo: Adam Jacobs, Getty Images

Horses ride down the Mall during the Diamond Jubilee Carriage Procession from Westminster Hall to Buckingham Palace in London on June 5, 2012. Britain's Queen Elizabeth II on wraps up four days of diamond jubilee celebrations and festivities will conclude with a ceremonial carriage procession in London, a formal contrast to the spectacular pop tribute staged outside Buckingham Palace the day before. AFP PHOTO / JOHN MACDOUGALL (Photo credit should read JOHN MACDOUGALL/AFP/GettyImages) Photo: JOHN MACDOUGALL, AFP/Getty Images

A rainbow is seen over London Eye and the stage of the The Diamond Jubilee Concert outside Buckingham Palace in London, on June 4, 20112. A chain of more than 4,200 beacons began to flare across the globe Monday to mark Queen Elizabeth II's diamond jubilee, with the last to be lit by the monarch at a star-studded concert at Buckingham Palace. AFP PHOTO / DAVID BEBBER /POOL (Photo credit should read DAVID BEBBER/AFP/GettyImages) Photo: DAVID BEBBER, AFP/Getty Images

British singer Sir Paul McCartney performs during the Queen's Diamond Jubilee Concert at Buckingham Palace in London on Juine 4, 2012. The star-studded musical extravaganza comes on the third of four days of celebrations to celebrate Queen Elizabeth II's 60 years on the throne. AFP PHOTO / LEON NEAL (Photo credit should read LEON NEAL/AFP/GettyImages) Photo: LEON NEAL, AFP/Getty Images

LONDON, ENGLAND - JUNE 03: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge prepare to board the royal barge 'Spirit of Chartwell' during the Thames Diamond Jubilee Pageant on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down The Thames, the star studded free concert at Buckingham Palace, and a carriage procession and a service of thanksgiving at St Paul's Cathedral. Photo: WPA Pool, Getty Images

LONDON, ENGLAND - JUNE 03: Queen Elizabeth II waves from the Spirit of Chartwell during the Diamond Jubilee Thames River Pageant on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down The Thames, the star studded free concert at Buckingham Palace, and a carriage procession and a service of thanksgiving at St Paul's Cathedral. Photo: WPA Pool, Getty Images

Angelika Wagner from Ohio, United States, sits on the Mall while waiting for the start of a pop music concert at Buckingham Palace to help celebrate Britain's Queen Elizabeth II's 60-year reign during Diamond Jubilee celebrations in London, Monday, June 4, 2012. Photo: Tim Hales, Ap

LONDON, ENGLAND - JUNE 04: A boy wears the Union Jack flag in the Mall prior to the Diamond Jubilee Buckingham Palace Concert on June 4, 2012 in London, England. For only the second time in it's history, the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Photo: Gareth Cattermole, Getty Images

LONDON - MAY 04: Crowds on the Mall watch Robbie Williams performing outside Buckingham Palace during the Diamond Jubilee, Buckingham Palace Concert May 04, 2012 in London, England. For only the second time in it's history, the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Photo: WPA Pool, Getty Images

Australian singer Kylie Minogue performs on stage during the Queen's Diamond Jubilee Concert at Buckingham Palace in London on June 4, 2012. The star-studded musical extravaganza comes on the third of four days of celebrations to celebrate Queen Elizabeth II's 60 years on the throne. AFP PHOTO / LEON NEAL (Photo credit should read LEON NEAL/AFP/GettyImages) Photo: LEON NEAL, AFP/Getty Images

LONDON, ENGLAND - JUNE 04: Singer Robbie Williams performs on stage during the Diamond Jubilee concert at Buckingham Palace on June 4, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend’s celebrations. Photo: Dan Kitwood, Getty Images

LONDON, ENGLAND - JUNE 04: A woman smiles wearing face paint of the Union Jack flag on The Mall during the Diamond Jubilee Buckingham Palace Concert on June 4, 2012 in London, England. For only the second time in its history, the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Photo: Ian Gavan, Getty Images

Britain's Queen Elizabeth and Prince Philip leave from Chelsea Harbour in London on a launch on the first part of their journey in the Diamond Jubilee River Pageant Sunday June 3, 2012 . More than 1,000 boats will sail down the River Thames on Sunday in a flotilla tribute to Queen Elizabeth II's 60 years on the throne that organizers are calling the biggest pageant on the river for 350 years. Photo: EDDIE MULHOLLAND, Ap

LONDON, ENGLAND - JUNE 03: Princess Eugenie waves a flag during the Diamond Jubilee Thames River Pageant on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down the Thames. Photo: Jeff J Mitchell, Getty Images

LONDON - MAY 04: A man shows off his patriotic head dye ahead of the Diamond Jubilee, Buckingham Palace Concert May 04, 2012 in London, England. For only the second time in it's history, the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Photo: WPA Pool, Getty Images

LONDON, ENGLAND - JUNE 04: (EDITORS NOTE: Image was created using a variable planed lens.) A dog wears the Union Jack flag in St James's Park prior to the Diamond Jubilee Buckingham Palace Concert on June 4, 2012 in London, England. For only the second time in it's history, the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Photo: Gareth Cattermole, Getty Images

LONDON, ENGLAND - JUNE 03: Fireworks are launched from the top of Tower Bridge marking the end of the Diamond Jubilee River Pageant on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down The Thames. Photo: Peter Macdiarmid, Getty Images

LONDON, ENGLAND - JUNE 03: The flotilla of 1000 boats sails towards Tower Bridge during the Diamond Jubilee Thames River Pageant on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down the Thames, the star studded free concert at Buckingham Palace, and a carriage procession and a service of thanksgiving at St Paul's Cathedral. Photo: Gareth Copley, Getty Images

LONDON, ENGLAND - JUNE 03: Prince Harry, Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge wave from the royal barge 'Spirit of Chartwell' during the Diamond Jubilee Thames River Pageant and on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend’s celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down The Thames, the star studded free concert at Buckingham Palace, and a carriage procession and a service of thanksgiving at St Paul’s Cathedral. Photo: Matt Cardy, Getty Images

LONDON, ENGLAND - JUNE 04: A woman displays her Union Jack painted fingernails during the Diamond Jubilee Buckingham Palace Concert on June 4, 2012 in London, England. For only the second time in its history, the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Photo: Ian Gavan, Getty Images

LONDON, ENGLAND - JUNE 03: Catherine, Duchess of Cambridge, meets well wishers before boarding the Spirit of Chartwell for the Diamond Jubilee Pageant to celebrate Queen Elizabeth's Diamond Jubilee on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down The Thames. Photo: WPA Pool, Getty Images

LONDON, ENGLAND - JUNE 03: Princess Anne, Princess Royal waves as she joins in the Diamond Jubilee Thames River Pageant on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down the Thames. Photo: Chris Jackson, Getty Images

LONDON, ENGLAND - JUNE 03: Catherine, Duchess of Cambridge stands on the royal barge 'Spirit of Chartwell' during the Diamond Jubilee Thames River Pageant on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend’s celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down The Thames, the star studded free concert at Buckingham Palace, and a carriage procession and a service of thanksgiving at St Paul’s Cathedral. Photo: WPA Pool, Getty Images

LONDON, ENGLAND - JUNE 03: (L-R) Prince Charles, Prince of Wales, Prince Philip, Duke of Edinburgh, Prince William, Duke of Cambridge and Prince Harry onboard the Spirit of Chartwell during the Diamond Jubilee Pageant on the River Thames during the Diamond Jubilee Thames River Pageant on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down The Thames, the star studded free concert at Buckingham Palace, and a carriage procession and a service of thanksgiving at St Paul's Cathedral. Photo: WPA Pool, Getty Images

A small boats passesby Royal revellers during the Diamond Jubilee River Pageant in London Sunday June 3, 2012. More than 1,000 boats will sail down the River Thames on Sunday in a flotilla tribute to Queen Elizabeth II's 60 years on the throne that organizers are calling the biggest pageant on the river for 350 years. Photo: DYLAN MARTINEZ, Ap

Members of the public sit on the Mall while waiting for the start of a pop music concert at Buckingham Palace to help celebrate Britain's Queen Elizabeth II's 60-year reign during Diamond Jubilee celebrations in London, Monday, June 4, 2012. Photo: Tim Hales, Ap

Members of the public wearing royal family face masks entertain themselves while waiting for the start of a pop music concert at Buckingham Palace, seen in centre background, to help celebrate Britain's Queen Elizabeth II's 60-year reign during Diamond Jubilee celebrations in London, Monday, June 4, 2012. Photo: Tim Hales, Ap

Diane Dourish from Alnwick in the north of England enjoys the special picnic in the grounds of Buckingham Palace prior to the Queen's Diamond Jubilee celebration concert in London, Monday, June 4, 2012. Photo: Alastair Grant, Ap

Angelika Wagner from Ohio, United States, sits on the Mall while waiting for the start of a pop music concert at Buckingham Palace to help celebrate Britain's Queen Elizabeth II's 60-year reign during Diamond Jubilee celebrations in London, Monday, June 4, 2012. Photo: Tim Hales, Ap

LONDON, ENGLAND - JUNE 03: Queen Elizabeth II and Camilla, Duchess of Cornwall onboard the Spirit of Chartwell during the Diamond Jubilee Pageant on the River Thames during the Diamond Jubilee Thames River Pageant on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down The Thames, the star studded free concert at Buckingham Palace, and a carriage procession and a service of thanksgiving at St Paul's Cathedral. Photo: WPA Pool, Getty Images

LONDON, ENGLAND - JUNE 03: A general view of the Diamond Jubilee Thames River Pageant on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down the Thames. Photo: Jeff J Mitchell, Getty Images

LONDON, ENGLAND - JUNE 03: (L-R) Prince Philip, The Duke of Edinburgh, Queen Elizabeth II, Camilla, Duchess of Cornwall, Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge onboard the Spirit of Chartwell during the Diamond Jubilee Pageant on the River Thames during the Diamond Jubilee Thames River Pageant on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down The Thames, the star studded free concert at Buckingham Palace, and a carriage procession and a service of thanksgiving at St Paul's Cathedral. Photo: WPA Pool, Getty Images

LONDON, ENGLAND - JUNE 03: Man powered boats row on The River Thames during The Diamond Jubilee River Pageant on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down The Thames. Photo: Peter Macdiarmid, Getty Images

LONDON, ENGLAND - JUNE 03: Princess Michael of Kent takes pictures of the boats from the deck of 'Havengore' during the Thames Diamond Jubilee Pageant on the River Thames on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down the Thames. Photo: Pool, Getty Images

LONDON, ENGLAND - JUNE 03: Revellers on Embankment take up vantage points hours in advance of the River Pageant on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down The Thames. Photo: Matthew Lloyd, Getty Images

LONDON, ENGLAND - JUNE 03: (L-R) Camilla, Duchess of Cornwall, Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge look out from the Spirit of Chartwell during the Diamond Jubilee Thames River Pageant on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down The Thames, the star studded free concert at Buckingham Palace, and a carriage procession and a service of thanksgiving at St Paul's Cathedral. Photo: WPA Pool, Getty Images

LONDON, ENGLAND - JUNE 03: Revellers on Millbank take up vantage points hours in advance of the River Pageant on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down The Thames. Photo: Matthew Lloyd, Getty Images

LONDON, ENGLAND - JUNE 04: An afternoon tea party laid out by revellers on the The Mall as thousands gather for The Diamond Jubilee Concert on June 4, 2012 in London, England. For only the second time in it's history, the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Photo: Christopher Furlong, Getty Images

LONDON, ENGLAND - JUNE 05: Sophie Countess of Wessex visits King Edward VII hospital in Beaumont Street where Prince Philip, Duke of Edinburgh remains in due to an infection on June 5, 2012 in London, England. The Duke of Edinburgh has been under observation for a few days, subsequently missing the rest of the Diamond Jubilee celebrations. Photo: Ben Pruchnie, Getty Images

LONDON, UNITED KINGDOM - JUNE 05: Prince Edward, Duke of Kent and Katherine, Duchess of Kent attend a service of thanksgiving on June 5, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of wellwishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. Photo: Adam Jacobs, Getty Images

LONDON, UNITED KINGDOM - JUNE 05: Princess Anne, Princess Royal and her husband Vice Admiral Timothy Laurence attend a service of thanksgiving on June 5, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of wellwishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. Photo: Adam Jacobs, Getty Images

LONDON, UNITED KINGDOM - JUNE 05: Princess Eugenie of York attends a service of thanksgiving on June 5, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of wellwishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. Photo: Adam Jacobs, Getty Images

LONDON, UNITED KINGDOM - JUNE 05: Princess Beatrice of York attends a service of thanksgiving on June 5, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of wellwishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. Photo: Adam Jacobs, Getty Images

The band Madness perform on the rooftop of Buckingham Palace during The Diamond Jubilee Concert in London, on June 4, 20112. A chain of more than 4,200 beacons began to flare across the globe Monday to mark Queen Elizabeth II's diamond jubilee, with the last to be lit by the monarch at a star-studded concert at Buckingham Palace. AFP PHOTO / DAVID BEBBER /POOL (Photo credit should read DAVID BEBBER/AFP/GettyImages) Photo: DAVID BEBBER, AFP/Getty Images

Britain's Queen Elizabeth II (R) talks with Dean of St Paul's David Ison (L) as she leaves Saint Paul's Cathedral after a national service of thanksgiving for the Queen?s Diamond Jubilee in London on June 5, 2012. Britain's Queen Elizabeth II wraps up four days of diamond jubilee celebrations with a thanksgiving service and ceremonial carriage procession in London, a formal contrast to the spectacular pop tribute staged outside Buckingham Palace the day before. AFP PHOTO / BEN STANSALL (Photo credit should read BEN STANSALL/AFP/GettyImages) Photo: BEN STANSALL, AFP/Getty Images

Britain's Prince William (L) and Prince Harry (R) talks as they leave Saint Paul's Cathedral after a national service of thanksgiving for the Queen?s Diamond Jubilee in London on June 5, 2012. Britain's Queen Elizabeth II wraps up four days of diamond jubilee celebrations with a thanksgiving service and ceremonial carriage procession in London, a formal contrast to the spectacular pop tribute staged outside Buckingham Palace the day before. AFP PHOTO / IAN KINGTON (Photo credit should read IAN KINGTON/AFP/GettyImages) Photo: IAN KINGTON, AFP/Getty Images

Britain's Queen Elizabeth II arrives at Buckingham Palace at the end of a carriage procession following a national service of thanksgiving in honour of the Queen's Diamond Jubilee in London on June 5, 2012. Queen Elizabeth II attended the final day of celebrations for her diamond jubilee Tuesday, but the pomp and splendour were marred by the absence of her husband Prince Philip after he was hospitalised. AFP PHOTO / CARL COURT (Photo credit should read CARL COURT/AFP/GettyImages) Photo: CARL COURT, AFP/Getty Images

Prince William (L) and Catherine, Duchess of Cambridge (R) look at each other on the balcony of Buckingham Palace on the final ceremonial day of the Queens Diamond Jubilee celebrations in London on June 5, 2012. Queen Elizabeth II led a grand carriage procession through London to mark her diamond jubilee Tuesday but faced the crowning moment of the festivities without her ill husband Prince Philip. AFP PHOTO / LEON NEAL (Photo credit should read LEON NEAL/AFP/GettyImages) Photo: LEON NEAL, AFP/Getty Images

Huge crowds cheering with Britain's Union flags march down the Mall towards Buckingham Palace to celebrate the Queen's Diamond Jubilee in London on June 5, 2012. Britain's Queen Elizabeth II wraps up four days of diamond jubilee celebrations with a thanksgiving service and ceremonial carriage procession in London, a formal contrast to the spectacular pop tribute staged outside Buckingham Palace the day before. AFP PHOTO / JOHN MACDOUGALL (Photo credit should read JOHN MACDOUGALL/AFP/GettyImages) Photo: JOHN MACDOUGALL, AFP/Getty Images

Britain's Queen Elizabeth II, (3rd L) Prince Charles, (2nd L) Camilla, Duchess of Cornwall, (L) Prince Willam, (3rd R) Catherine, Duchess of Cambridge (2nd R) and Prince Harry (R) appear on the Buckingham Palace balcony following the Queen's diamond jubilee procession in London, on June 5, 2012. Queen Elizabeth II's husband Prince Philip, her stalwart companion through 60 years of rule, was absent from her side Tuesday as she marked the final day of her diamond jubilee with traditional pomp. AFP PHOTO / ADRIAN DENNIS (Photo credit should read ADRIAN DENNIS/AFP/GettyImages) Photo: ADRIAN DENNIS, AFP/Getty Images

British Household Cavalry ride through the gates of Buckingham Palace at the end of the royal carriage procession from Westminster Hall on the final ceremonial day of celebrations for the Queen's Diamond Jubilee in London on June 5, 2012. Queen Elizabeth II led a grand carriage procession through London to mark her diamond jubilee Tuesday but faced the crowning moment of the festivities without her ill husband Prince Philip. AFP PHOTO / ADRIAN DENNIS (Photo credit should read ADRIAN DENNIS/AFP/GettyImages) Photo: ADRIAN DENNIS, AFP/Getty Images

Crowds fill The Mall around Buckingham Palace ahead of The Diamond Jubilee flypast to celebrate the Queen's Diamond Jubilee in London on June 5, 2012. Britain's Queen Elizabeth II wraps up four days of diamond jubilee celebrations with a thanksgiving service and ceremonial carriage procession in London, a formal contrast to the spectacular pop tribute staged outside Buckingham Palace the day before. AFP PHOTO / POOL / PETER MACDIARMID (Photo credit should read PETER MACDIARMID/AFP/GettyImages) Photo: PETER MACDIARMID, AFP/Getty Images