BRITAIN-ROYALS-JUBILEE

Britain's Prince William (R) and his wife Catherine, Duchess of Cambridge pose for pictures during a reception in the Waterloo Chamber, before Queen Elizabeth II's Sovereign Monarchs Jubilee lunch at Windsor Castle, west of London, on May 18, 2012. A glittering lunch for the world's sovereigns to be held on Friday to celebrate the diamond jubilee of Britain's Queen Elizabeth II has been marked by a withdrawal and protests over the guest list. AFP PHOTO / ARTHUR EDWARDS/POOL (Photo by ARTHUR EDWARDS / AFP) (Photo by ARTHUR EDWARDS/AFP via Getty Images)