Article continues below advertisementKing Charles and Queen Camilla's U.S. state visit this week is gearing up to be a memorable and historic one. Donald Trump and wife Melania welcomed the royals on Monday, April 27, and the monarch, 77, is aiming to keep things light and humorous during their four-day tour.Article continues below advertisementWHCD Shooting Occurred Just 2 Days Before State VisitTap Here To Add Ok Magazine as A Trusted SourceSource: MEGAKing Charles is navigating a 'delicate situation' during the tour.The king and queen's trip comes at a tense time for the U.S.