WASHINGTON, DC - MARCH 18: (L-R) Curt Viebranz, President of Mt. Vernon, Camilla, the Duchess of Cambridge, Barbara Lucas, Regent, Mt. Vernon Ladie's Association, Prince Charles, Prince of Wales, Carol Cadou, Senior Vice President for Historic Preservation and Collection, and Governor Terry McAuliffe (D-VA) tour George Washington's Mt. Vernon estate on the second day of a visit to the United States on March 18, 2015 in Washington, DC. The Prince and Duchess are in Washington as part of a four day visit to the United States. (Photo by Larry French/Getty Images)
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Getty Images Entertainment Larry French