Service Of Thanksgiving For The Life Of The 11th Duke Of Marlborough, John Spencer-Churchill [Getty Images]

LONDON, UNITED KINGDOM - FEBRUARY 04: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Camilla, Duchess of Cornwall attends a service of thanksgiving for the life of John Spencer-Churchill, 11th Duke of Marlborough at The Guards Chapel, Wellington Barracks on February 4, 2015 in London, England. John Spencer-Churchill, 11th Duke of Marlborough died aged 88 on October 16, 2014. (Photo by Max Mumby/Indigo/Getty Images)

Getty Images Entertainment Max Mumby/Indigo