WINDSOR, ENGLAND - JUNE 18: (L-R) Prince Andrew, Duke of York, Prince Edward, Earl of Wessex, Prince William, Duke of Cambridge and Prince Charles, Prince of Wales attend the annual Order of the ... more 

WINDSOR, ENGLAND - JUNE 18: (L-R) Prince Andrew, Duke of York, Prince Edward, Earl of Wessex, Prince William, Duke of Cambridge and Prince Charles, Prince of Wales attend the annual Order of the Garter Service at St George's Chapel, Windsor Castle on June 18, 2011 in Windsor, England. The Order of the Garter is the senior and oldest British Order of Chivalry, founded by Edward III in 1348. Membership in the order is limited to the sovereign, the Prince of Wales, and no more than twenty-four members. (Photo by Gareth Cattermole - WPA Pool/Getty Images) less