Charles, Prince of Wales

Britain's Catherine, Duchess of Cambridge (R), Prince Charles (2nd R), Prince William (2nd L) and Prince Harry (L) arrive for a thanksgiving service to mark the Queen's Diamond Jubilee at St Paul's Cathedral in central London June 5, 2012. Queen Elizabeth began the fourth and final day of her Diamond Jubilee celebrations on Tuesday with an appearance at the thanksgiving service in St. Paul's Cathedral ahead of a horse-drawn procession and a wave from Buckingham Palace.