LONDON, ENGLAND - JUNE 03: Camilla, Duchess of Cornwall arrives at Chelsea Pier on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down The Thames, the star studded free concert at Buckingham Palace, and a carriage procession and a service of thanksgiving at St Paul's Cathedral.  (Photo by Bethany Clarke - WPA Pool/Getty Images)