Tim Graham/Getty Images
  • Prince Charles and Camilla Parker Bowles in 1979.
    Tim Graham/Getty Images
  • Camilla and Prince Charles look out at the view at the source of the White Nile on Nov. 24, 2007, in Jinja, Uganda.
    Getty Images
  • Prince Charles, and Camilla leave the Service of Prayer and Dedication blessing their marriage at Windsor Castle on April 9, 2005, in Berkshire, England.
    Tim Graham/Getty Images
  • Britain's Prince Charles and his wife, Camilla, stand before a tree that they had just planted in the courtyard of the SEED Charter School Nov. 2, 2005, in Washington.
    AFP/Getty Images
  • Prince Charles, the Prince of Wales, and his wife Camilla, the Duchess of Cornwall, in their role as the Duke and Duchess of Rothesay, attend the Highland Mey Games Aug. 6, 2005, in Caithness, Scotland.
    Tim Graham/Getty Images
  • Camilla, Duchess of Cornwall and Prince Charles, Prince of Wales attend the 2007 Chelsea Flower Show.
    UK Press via Getty Images
  • Prince Charles and Camilla look out from a vehicle during an escorted drive through Arusha National Park on Nov. 9, 2011, in Arusha, Tanzania.
    Getty Images
  • Camilla, Duchess of Cornwall and Prince Charles, Prince of Wales stand on the balcony of Buckingham Palace during the annual Trooping the Color Ceremony at Buckingham Palace on June 16, 2012, in London.
    Getty Images
  • Prince Charles, Prince of Wales and Camilla, Duchess of Cornwall visit Nizwa Fort of the Middle East on March 18, 2013, in Nizwa, Oman.
    Getty Images
  • Camilla, Duchess of Cornwall and Prince Charles, Prince of Wales pose outside the Akshardham Temple during a visit to India on Nov. 8, 2013, in Delhi, India.
    Getty Images
  • Camilla, Duchess of Cornwall and Prince Charles, Prince of Wales stand with two Daleks from the television series “Doctor Who” as they arrive for a visit to the BBC Roath Lock Studios on July 3, 2013, in Cardiff, Wales.
    Getty Images
  • Britain's Prince Charles the Prince of Wales and wife Camilla, Duchess of Cornwall, film singer Tom Odell in the Live Lounge during a visit to the British Broadcasting Corp. in London on Feb. 11, 2014.
    AFP/Getty Images
  • Prince Charles, Prince of Wales and Camilla, Duchess of Cornwall attend the Royal Ascot at Ascot Racecourse on June 18, 2014, in Ascot, England.
    Getty Images
  • Camilla, Duchess of Cornwall and Prince Charles, Prince of Wales watch sheep racing during the prince's Countryside Fund Raceday at Ascot Racecourse on March 29, 2015, in Ascot, England.
    UK Press via Getty Images