Catherine, Duchess of Cambridge, Princess Charlotte of Cambridge, Prince George of Cambridge, Prince William, Duke of Cambridge, Queen Elizabeth II and Prince Philip, The Duke of Edinburgh during the Trooping the Colour, this year marking the Queen's official 90th birthday at The Mall on June 11, 2016 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.
