Catherine,Duchess of Cambridge,Princess Charlotte,Prince George,Prince Harry,William Duke of Cambridge,Her Majesty the Queen,Duke of Edinburgh watch the flypast from the balcony of Buckingham Palace at the annual "Trooping the Colour" to celebrate the Queen's 90th birthday celebrations at The Mall in London June 11, 2016. The ceremony is Queen Elizabeth II annual birthday parade and dates back to the era of King Charles 11. Photo by Hugo Philpott/UPI