LONDON, ENGLAND - JUNE 13: Camilla, Duchess of Cornwall and Catherine, Duchess of Cambridge attend the annual Trooping The Colour ceremony at Horse Guards Parade on June 13, 2015 in London, England. (Photo by Karwai Tang/WireImage)
LONDON, ENGLAND - JUNE 13: Camilla, Duchess of Cornwall and Catherine, Duchess of Cambridge attend the annual Trooping The Colour ceremony at Horse Guards Parade on June 13, 2015 in London, England. (Photo by Karwai Tang/WireImage)