Britain's Prince William, center left, and his wife Kate, Duchess of Cambridge, center right, pose for a photograph with, clockwise from bottom right, Margarita Armstrong-Jones, Eliza Lopes, Grace van Cutsem, Lady Louise Windsor, Tom Pettifer, and William Lowther-Pinkerton in the Throne Room at Buckingham Palace, April 29, 2011. Hugo Burnand, Clarence House/AP Photo