Members of the royal family, including Camilla, Duchess of Cornwall (C) and Catherine, Duchess of Cambridge (CENTRE R) wait on the balcony of Buckingham Palace for Queen Elizabeth to return from Horseguards Parade after the annual Trooping the Colour ceremony in central London, Britain June 11, 2016. Trooping the Colour is a ceremony to honour Queen Elizabeth's official birthday. The Queen celebrates her 90th birthday this year. REUTERS/Toby Melville