Members of Britain's Royal family (L-R) Prince Charles, Prince Edward, Queen Elizabeth, Princess Anne, Prince Philip, Tim Lawrence, Louise Windsor, Catherine, Duchess of Cambridge and Prince William, watch a flypast by the Red Arrows as they stand on the balcony of Buckingham Palace following the Trooping the Colour ceremony in central London June 16, 2012. Trooping the Colour is a ceremony to honour the sovereign's official birthday. REUTERS/Toby Melville (BRITAIN - Tags: ANNIVERSARY ENTERTAINMENT MILITARY SOCIETY ROYALS)