Royals pouring into London

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Queen Elizabeth II listens as President of the International Olympic Committee Count Jacques Rogge speaks at a reception for members of the International Olympic Committee at Buckingham Palace on July 23, 2012, in London.

Royalty from around the world have been pouring into the city in advance of Friday's Summer Olympics opening ceremony. The queen is planning to host a reception for them at Buckingham Palace before the Games start.

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Prince Edward, youngest son of Queen Elizabeth II, speaks during the Olympic Team Welcome Ceremony at the Athletes' Village at the Olympic Park, on July 19, 2012, in London.

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Grand Duke Henri of Luxembourg, left, attends a reception for members of the International Olympic Committee at Buckingham Palace on July 23, 2012, in London.

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Crown Prince Frederik of Denmark, left, attends a reception for members of the International Olympic Committee at Buckingham Palace on July 23, 2012, in London.

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The coat of arms of the British royal family is seen alongside the Olympic rings at a reception for members of the International Olympic Committee at Buckingham Palace on July 23, 2012, in London.

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Prince Albert of Monaco at a reception for members of the International Olympic Committee at Buckingham Palace on July 23, 2012, in London.

Princess Charlene of Monaco attends a reception for members of the International Olympic Committee at Buckingham Palace on July 23, 2012, in London.

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Princess Anne, the British Olympic Association president and a former Olympic equestrian, speaks on stage during the opening ceremony of the 124th IOC Session, prior to the start of the London 2012 Olympic Games at The Royal Opera House on July 23, 2012, in London.

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Crown Prince Willem Alexander of The Netherlands attends the opening ceremony of the 124th IOC Session, prior to the start of the London 2012 Olympic Games, at The Royal Opera House on July 23, 2012, in London.

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Princess Charlene and Prince Albert II of Monaco attend the opening ceremony of the 124th IOC Session, prior to the start of the London 2012 Olympic Games at The Royal Opera House on July 23, 2012, in London.

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International Olympic Committee (IOC) President Jacques Rogge, left, arrives with Princess Anne, Princess Royal, at the opening ceremony of the 124th IOC Session, prior to the start of the London 2012 Olympic Games at The Royal Opera House, on July 23, 2012, in London.

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Princess Anne, Princess Royal, with former Olympian David Hemery, center, and her husband, Vice Admiral Sir Tim Laurence, as Team GB arrive in the Olympic Village on July 24, 2012, in London.

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HRH Prince Sufri Bolkiah of Brunei attends the official Brunei Team welcome to the Athletes' Village at the Olympic Park on July 25, 2012, in London.

King Constantine of Greece and his wife, Queen Anne Marie, stroll hand in hand through the Athletes Village at the London 2012 Olympic Games site on July 26, 2012, in London.

The Lord Mayor of London, David Wooton, left, accompanies Princess Anne, Princess Royal, for an evening reception at Mansion House on July 26, 2012, in London.

Prince William, Duke of Cambridge, his wife Kate, Duchess of Cambridge, and Prince Harry welcome a torchbearer holding the Olympic Flame at Buckingham Palace in London, on July 26, 2012, on the eve of the London 2012 Olympic Games. The torch was carried to and from Buckingham Palace by three torchbearers, who are volunteers from the Scout Association; Mountain Rescue England and Wales; and MapAction, whose patrons are The Duchess of Cambridge, The Duke of Cambridge and Prince Harry respectively.

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King Juan Carlos of Spain, center, receives the Spanish Olympic team at El Pardo Palace on July 23, 2012, in Madrid.

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From left, Queen Sofia , King Juan Carlos of Spain, Crown Prince Felipe and Princess Letizia of Spain receive Spanish Olympic team at El Pardo Palace on July 23, 2012, in Madrid.