Queen Elizabeth II And The Duke Of Edinburgh Attend The Household Cavalry Standards Parade [Getty Images]

LONDON, ENGLAND - MAY 28: (L-R) Princess Anne, The Princess Royal, Queen Elizabeth II, Prince Philip, Duke of Edinburgh and Prince Harry attend a special Garden Party for the Regiment at Buckingham Palace on May 28, 2014 in London, Untied Kingdom. (Photo by John Stillwell - WPA Pool Getty Images)

Getty Images Entertainment WPA Pool