Britain's Queen Elizabeth, third from right, watches from onboard the Spirit of Chartwell with other members of the Royal family during her Diamond Jubilee Pageant on the River Thames in London, June 3, 2012. Photo: REUTERS/Darren Staples
Britain's Queen Elizabeth, third from right, watches from onboard the Spirit of Chartwell with other members of the Royal family during her Diamond Jubilee Pageant on the River Thames in London, June 3, 2012. Photo: REUTERS/Darren Staples
Royal rowbarge Gloriana leads manpowered craft towards Westminster Bridge during Queen Elizabeth's Diamond Jubilee Pageant on the River Thames in London June 3, 2012. Photo: REUTERS/Stefan Wermuth
Royal rowbarge Gloriana leads manpowered craft towards Westminster Bridge during Queen Elizabeth's Diamond Jubilee Pageant on the River Thames in London June 3, 2012. Photo: REUTERS/Stefan Wermuth
Anne Higgins wears a pink crown in front of a Union Flag as she waits for the start of the river pageant to celebrate Queen Elizabeth's Diamond Jubilee in London June 3, 2012. Photo: REUTERS/Luke MacGregor
Anne Higgins wears a pink crown in front of a Union Flag as she waits for the start of the river pageant to celebrate Queen Elizabeth's Diamond Jubilee in London June 3, 2012. Photo: REUTERS/Luke MacGregor
Britain's Queen Elizabeth is greeted by Chelsea pensioners as she arrives at Chelsea Pier for the start of a pageant in celebration of the her Diamond Jubilee in London June 3, 2012.  Photo: REUTERS/Bethany Clarke/pool
Britain's Queen Elizabeth is greeted by Chelsea pensioners as she arrives at Chelsea Pier for the start of a pageant in celebration of the her Diamond Jubilee in London June 3, 2012. Photo: REUTERS/Bethany Clarke/pool
Britain's Queen Elizabeth (2nd L) waves, with Prince Philip (L), Camilla, Duchess of Cornwall (2nd R) and Catherine, Duchess of Cambridge,  from the Spirit of Chartwell during the Diamond Jubilee River Pageant on the River Thames, in London June 3, 2012. Queen Elizabeth joined an armada of 1,000 boats in a gilded royal barge, in a pageant down the River Thames on Sunday in a spectacular highlight of four days of nationwide celebrations to mark her Diamond Jubilee.    REUTERS/John Stillwell/Pool   (BRITAIN - Tags: ROYALS ENTERTAINMENT SOCIETY ANNIVERSARY TPX IMAGES OF THE DAY)
Britain's Queen Elizabeth (2nd L) waves, with Prince Philip (L), Camilla, Duchess of Cornwall (2nd R) and Catherine, Duchess of Cambridge, from the Spirit of Chartwell during the Diamond Jubilee River Pageant on the River Thames, in London June 3, 2012. Queen Elizabeth joined an armada of 1,000 boats in a gilded royal barge, in a pageant down the River Thames on Sunday in a spectacular highlight of four days of nationwide celebrations to mark her Diamond Jubilee. REUTERS/John Stillwell/Pool (BRITAIN - Tags: ROYALS ENTERTAINMENT SOCIETY ANNIVERSARY TPX IMAGES OF THE DAY)
Britain's Queen Elizabeth II,  Prince Philip watch the proceedings  from the royal barge during the Diamond Jubilee Pageant on the River Thames in London. Photo: AP/John Stillwell
Britain's Queen Elizabeth II, Prince Philip watch the proceedings from the royal barge during the Diamond Jubilee Pageant on the River Thames in London. Photo: AP/John Stillwell
The Royal Barge passes St. Paul's Cathedral during the Diamond Jubilee River Pageant along the River Thames in London, Sunday, June 3, 2012. Photo: AP Photo/Lewis Whyld
The Royal Barge passes St. Paul's Cathedral during the Diamond Jubilee River Pageant along the River Thames in London, Sunday, June 3, 2012. Photo: AP Photo/Lewis Whyld
Members of the Royal family (L-R) Prince Charles, Prince Philip, Queen Elizabeth, Camilla, Duchess of Cornwall, Catherine, Duchess of Cambridge, Prince William and Prince Harry stand on board the Spirit of Chartwell during the Diamond Jubilee Pageant on the River Thames in London June 3, 2012. REUTERS/John Stillwell/POOL  (BRITAIN - Tags: ROYALS ENTERTAINMENT)
Members of the Royal family (L-R) Prince Charles, Prince Philip, Queen Elizabeth, Camilla, Duchess of Cornwall, Catherine, Duchess of Cambridge, Prince William and Prince Harry stand on board the Spirit of Chartwell during the Diamond Jubilee Pageant on the River Thames in London June 3, 2012. REUTERS/John Stillwell/POOL (BRITAIN - Tags: ROYALS ENTERTAINMENT)
Guns are fired on the banks of the River Thames to celebrate Britain's Queen Elizabeth's Diamond Jubilee in London, June 3, 2012. Photo: REUTERS/Paul Hackett
Guns are fired on the banks of the River Thames to celebrate Britain's Queen Elizabeth's Diamond Jubilee in London, June 3, 2012. Photo: REUTERS/Paul Hackett
Britain's Catherine, Duchess of Cambridge (R) and Camilla, Duchess of Cornwall (C) join Queen Elizabeth for the Diamond Jubilee River Pageant on the River Thames, in London June 3, 2012. Britain's Queen Elizabeth joined an armada of 1,000 boats in a gilded royal barge, in a pageant down the River Thames on Sunday in a spectacular highlight of four days of nationwide celebrations to mark her Diamond Jubilee.    REUTERS/David Crump/Pool   (BRITAIN - Tags: ROYALS ENTERTAINMENT SOCIETY ANNIVERSARY)
Britain's Catherine, Duchess of Cambridge (R) and Camilla, Duchess of Cornwall (C) join Queen Elizabeth for the Diamond Jubilee River Pageant on the River Thames, in London June 3, 2012. Britain's Queen Elizabeth joined an armada of 1,000 boats in a gilded royal barge, in a pageant down the River Thames on Sunday in a spectacular highlight of four days of nationwide celebrations to mark her Diamond Jubilee. REUTERS/David Crump/Pool (BRITAIN - Tags: ROYALS ENTERTAINMENT SOCIETY ANNIVERSARY)
Britain's Prince Philip, centre, with Prince Charles,left, Prince William, second fromt right, and Prince Harry on the Spirit of Chartwell during the Diamond Jubilee River Pageant on the River Thames, in London June 3, 2012. Photo: REUTERS/John Stillwell/Pool
Britain's Prince Philip, centre, with Prince Charles,left, Prince William, second fromt right, and Prince Harry on the Spirit of Chartwell during the Diamond Jubilee River Pageant on the River Thames, in London June 3, 2012. Photo: REUTERS/John Stillwell/Pool
Britain's Prince Edward looks views a picture of the Royal family on the side of a building, from the deck of the boat 'Havengore' during the Diamond Jubilee pageant on the River Thames in London June 3, 2012.  Photo: REUTERS/Leon Neal/POOL
Britain's Prince Edward looks views a picture of the Royal family on the side of a building, from the deck of the boat 'Havengore' during the Diamond Jubilee pageant on the River Thames in London June 3, 2012. Photo: REUTERS/Leon Neal/POOL
Britain's Prince Andrew, left, and Prince Edward pose as they pass a 1977 Silver Jubilee photo of the Royal family on the side of a building, from the deck of the boat 'Havengore' during the Diamond Jubilee pageant on the River Thames in London June 3, 2012.  Photo: REUTERS/Leon Neal/POOL
Britain's Prince Andrew, left, and Prince Edward pose as they pass a 1977 Silver Jubilee photo of the Royal family on the side of a building, from the deck of the boat 'Havengore' during the Diamond Jubilee pageant on the River Thames in London June 3, 2012. Photo: REUTERS/Leon Neal/POOL
Spectators watch as hundreds of boats make their way down the River Thames during the Queen's Diamond Jubilee celebrations in London,Sunday, June  3, 2012. Photo: AP/Alastair Grant)
Spectators watch as hundreds of boats make their way down the River Thames during the Queen's Diamond Jubilee celebrations in London,Sunday, June 3, 2012. Photo: AP/Alastair Grant)
Britain's Queen Elizabeth II, left, and Camilla Duchess of Cornwall, on the royal barge during the Diamond Jubilee Pageant on the River Thames in London, Sunday, June 3, 2012. Photo: AP/John Stillwell
Britain's Queen Elizabeth II, left, and Camilla Duchess of Cornwall, on the royal barge during the Diamond Jubilee Pageant on the River Thames in London, Sunday, June 3, 2012. Photo: AP/John Stillwell
Britain's Queen Elizabeth II, right, and Kate Duchess of Cornwall, left, stand on the royal barge, the principal boat of a flotilla of 1,000 vessels, on the River Thame, Sunday, June 3, 2012. Photo: AP/Matt Dunham
Britain's Queen Elizabeth II, right, and Kate Duchess of Cornwall, left, stand on the royal barge, the principal boat of a flotilla of 1,000 vessels, on the River Thame, Sunday, June 3, 2012. Photo: AP/Matt Dunham
The Queen's rowbarge "Gloriana" on the River Thames in London, during her Diamond Jubilee celebrations, on June 2, 2012. Photo: REUTERS/Ki Price
The Queen's rowbarge "Gloriana" on the River Thames in London, during her Diamond Jubilee celebrations, on June 2, 2012. Photo: REUTERS/Ki Price
Britain's Queen Elizabeth watches from onboard the Spirit of Chartwell, as it approaches Westminster Bridge during her Diamond Jubilee Pageant on the River Thames in London June 3, 2012. Photo: REUTERS/Stefan Wermuth
Britain's Queen Elizabeth watches from onboard the Spirit of Chartwell, as it approaches Westminster Bridge during her Diamond Jubilee Pageant on the River Thames in London June 3, 2012. Photo: REUTERS/Stefan Wermuth
The Spirit of Chartwell, carrying members of Britain's royal family, sails towards Tower Bridge during Queen Elizabeth's Diamond Jubilee Pageant on the River Thames in London June 3, 2012. Photo: REUTERS/Paul Hackett
The Spirit of Chartwell, carrying members of Britain's royal family, sails towards Tower Bridge during Queen Elizabeth's Diamond Jubilee Pageant on the River Thames in London June 3, 2012. Photo: REUTERS/Paul Hackett
The Royal Barge is seen passing the Houses of Parliament during the Thames Diamond Jubilee River Pageant in London, Sunday, June 3, 2012. Photo: AP/Tim Hales
The Royal Barge is seen passing the Houses of Parliament during the Thames Diamond Jubilee River Pageant in London, Sunday, June 3, 2012. Photo: AP/Tim Hales
Britain's Catherine, Duchess of Cambridge waves as she stands with Princes Harry and William, right, on board the Spirit of Chartwell as they approach Chelsea Bridge during the Queens Diamond Jubilee Pageant on the River Thames in London June 3, 2012. Photo: REUTERS/Ki Price
Britain's Catherine, Duchess of Cambridge waves as she stands with Princes Harry and William, right, on board the Spirit of Chartwell as they approach Chelsea Bridge during the Queens Diamond Jubilee Pageant on the River Thames in London June 3, 2012. Photo: REUTERS/Ki Price
Carpet is laid in The Queen's rowbarge "Gloriana" on the River Thames in London in preparation for her Diamond Jubilee celebrations June 2, 2012. Photo: REUTERS/Ki Price
Carpet is laid in The Queen's rowbarge "Gloriana" on the River Thames in London in preparation for her Diamond Jubilee celebrations June 2, 2012. Photo: REUTERS/Ki Price
Britain's Queen Elizabeth embarks from Chelsea Harbour to join the pageant on the River Thames, in London June 3, 2012. Photo: REUTERS/Eddie Mulholland/Pool
Britain's Queen Elizabeth embarks from Chelsea Harbour to join the pageant on the River Thames, in London June 3, 2012. Photo: REUTERS/Eddie Mulholland/Pool
Boats of all shapes and sizes take part in a pageant near Tower Bridge in celebration of the Queen's Diamond Jubilee, along the River Thames in London June 3, 2012. Photo: REUTERS/Dylan Martinez
Boats of all shapes and sizes take part in a pageant near Tower Bridge in celebration of the Queen's Diamond Jubilee, along the River Thames in London June 3, 2012. Photo: REUTERS/Dylan Martinez
The manpowered section of the Diamond Jubilee River Pageant makes its way along the River Thames in central London, June 3, 2012. Photo: REUTERS/Owen Humphreys/Pool
The manpowered section of the Diamond Jubilee River Pageant makes its way along the River Thames in central London, June 3, 2012. Photo: REUTERS/Owen Humphreys/Pool
Spectators, including the royal family (C), watch the Queen's Diamond Jubilee Pageant on the River Thames in London June 3, 2012.      Photo: REUTERS/Dylan Martinez
Spectators, including the royal family (C), watch the Queen's Diamond Jubilee Pageant on the River Thames in London June 3, 2012. Photo: REUTERS/Dylan Martinez
People wave flags as they watch the barge carrying Britain's Queen Elizabeth II and other members of the royal family sailing past in the river Thames, Sunday, June 3, 2012. Photo: AP/Lefteris Pitarakis)
People wave flags as they watch the barge carrying Britain's Queen Elizabeth II and other members of the royal family sailing past in the river Thames, Sunday, June 3, 2012. Photo: AP/Lefteris Pitarakis)
The vessel carrying Britain's Queen Elizabeth II and other members of the Royal Family moves down the River Thames in London during the Diamond Jubilee River Pageant Sunday, June 3, 2012. Photo: AP/Lefteris Pitarakis)
The vessel carrying Britain's Queen Elizabeth II and other members of the Royal Family moves down the River Thames in London during the Diamond Jubilee River Pageant Sunday, June 3, 2012. Photo: AP/Lefteris Pitarakis)
From left to right: London Mayor Boris Johnson, his wife Marina Wheeler, Sophie the Countess of Wessex and Princess Beatrice wave from a boat as they take part in Queen Elizabeth's Diamond Jubilee Pageant on the River Thames in London June 3, 2012. Photo: REUTERS/Andrew Winning
From left to right: London Mayor Boris Johnson, his wife Marina Wheeler, Sophie the Countess of Wessex and Princess Beatrice wave from a boat as they take part in Queen Elizabeth's Diamond Jubilee Pageant on the River Thames in London June 3, 2012. Photo: REUTERS/Andrew Winning

The Royal Family steps aboard the Spirit of Chartwell as part of the Queen’s Diamond Jubilee celebrations.

The Royal Family steps aboard the Spirit of Chartwell as part of the Queen’s Diamond Jubilee celebrations.