Queen Elizabeth II's diamond jubilee celebration

10 of 31: From right, Britain's Prince Charles, Camilla, Duchess of Cornwall, and Britain's Queen Elizabeth II, are joined on stage by performers at the conclusion of the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo/Joel Ryan)

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