Camilla Duchess of Cornwall and Catherine Duchess of Cambridge travel in a carriage to Horseguards Parade...
Camilla Duchess of Cornwall (L) and Catherine Duchess of Cambridge travel in a carriage to Horseguards Parade for 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