Britain's Catherine, the Duchess of Cambridge, leaves St George's Chapel after attending Order of the Garter procession and installation service at Windsor Castle in southern England, June 16, 2014. The Order is the senior and oldest British Order of Chivalry, founded by Britain's King Edward III in 1348.  AFP PHOTO/POOL/Toby Melville        (Photo credit should read TOBY MELVILLE/AFP/Getty Images)