WINDSOR, UNITED KINGDOM - JUNE 17: Prince Charles, Prince of Wales (L) and Queen Elizabeth II attend the Order Of The Garter Service at St George's Chapel on June 17, 2013 in Windsor, England. (Photo by Eamonn M. McCormack - WPA-Pool/Getty Images)
WINDSOR, UNITED KINGDOM - JUNE 17: Prince Charles, Prince of Wales (L) and Queen Elizabeth II attend the Order Of The Garter Service at St George's Chapel on June 17, 2013 in Windsor, England. (Photo by Eamonn M. McCormack - WPA-Pool/Getty Images)