epa02708110 Prince William (L) and his wife Catherine, Duchess of Cambridge (R) emerge from Westminster Abbey in London, Britain, 29 April 2011, after their wedding ceremony. The bride wears a v-neck Alexander McQueen gown, designed by creative director Sarah Burton and a 1936 Cartier halo tiara lent to her by Queen Elizabeth. Westminster Abbey has a long tradition as a venue for royal weddings, going back to 1100. William’s grandparents, Queen Elizabeth II and Prince Philip, Duke of Edinburgh, exchanged their vows there in 1947. EPA/LEWIS WHYLD / PA / POOL UK AND IRELAND OUT, NO COMMERCIAL SALES Local Caption 00000402489972