Kate Middleton Celebrates Queen's Birthday
The royals participated in the "Trooping the Color" parade.
PHOTOS: The Life and Times of Kate Middleton
Britain's Prince Harry, left, Kate, Duchess of Cambridge, center, and Prince William, on the balcony of Buckingham Palace, during the Trooping The Colour parade, in London, Saturday, June 15, 2013.Other royals including Prince Harry and the Duchess of Cambridge joined in the celebration of Queen Elizabeth's birthday Saturday. (Sang Tan/AP Photo)
