VALLETTA, MALTA - NOVEMBER 28:  Queen Elizabeth II attends a prize giving ceremony on a visit to Malta Racing Club at Marsa racecourse on November 28, 2015 near Valletta, Malta. Queen Elizabeth II, The Duke of Edinburgh, Prince Charles, Prince of Wales and Camilla, Duchess of Cornwall are on their final day of a visit to the island that has been hosting the Commonwealth Heads of State Summit.  (Photo by Matt Cardy-Pool/Getty Images)