LONDON, ENGLAND - JUNE 13: (L-R) Camilla, Duchess of Cornwall, Prince Charles, Prince of Wales, Prince George of Cambridge, Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge, Queen Elizabeth II, Prince Harry and Prince Philip, Duke of Edinburgh (R) watch the fly-past from the balcony of Buckingham Palace following the Trooping The Colour ceremony on June 13, 2015 in London, England. The ceremony is Queen Elizabeth II's annual birthday parade and dates back to the time of Charles II in the 17th Century, when the Colours of a regiment were used as a rallying point in battle. (Photo by Chris Jackson/Getty Images)
