President Donald Trump ended King Charles III and Queen Camilla's state visit to the United States by taking a swing at the King's estranged daughter-in-law, Meghan Markle. Author Robert Hardman wrote an article for Daily Mail recounting his visit to the Oval Office on Thursday, April 30, just before the King and Queen returned to the U.K. Trump took a swipe at Meghan Markle as King Charles and Queen Camilla headed home after a state visit. By: MEGA Hardman, the author of an upcoming biography on Queen Elizabeth II titled Elizabeth II: In Private. In Public.