Britain's Catherine, Duchess of Cambridge, rides next to her husband Prince William in a State Landau coach during a carriage procession from Westminster Hall to Buckingham Palace on the final ceremonial day of the Queens Diamond Jubilee celebrations in London on June 5, 2012. Queen Elizabeth II led a grand carriage procession through London to mark her diamond jubilee Tuesday but faced the crowning moment of the festivities without her ill husband Prince Philip. AFP PHOTO / POOL / KI PRICE