The Prince Of Wales & The Duchess Of Cornwall Attend A National Service To Mark The 200th Anniversary Of The Battle Of Waterloo [Getty Images]

LONDON, ENGLAND - JUNE 18: Prince Richard, Duke of Gloucester and Princess Alice, Duchess of Gloucester attend a National service to mark the 200th anniversary of the Battle of Waterloo at St Paul's Cathedral on June 18, 2015 in London, England. (Photo by Stuart C. Wilson - WPA Pool /Getty Images)

Getty Images Entertainment Stuart C. Wilson