** FILE ** Britain's Princess Elizabeth leaves Westminster Abbey in London, with her husband, the Duke of Edinburgh, on November 20, 1947, after their wedding ceremony. On Nov. 20 2007, Queen Elizabeth II and Prince Philip will celebrate 60-years of marriage, to mark the occasion a special exhibition with archive film footage of the 1947 wedding, and outfits worn by the principal members of the wedding party will be on display at Buckingham Palace from July 28 until Sept. 28, 2007. (AP photo)