The president and first lady landed in Cornwall, UK, for the G7 Summit.Queen Elizabeth hosted the Bidens at Windsor Castle during their visit for the G7 Leader's Summit.The Bidens returned to the White House after spending the weekend in Delaware.Jill wore a navy suit designed by Adam Lippes.Biden signed an executive order to help improve public safety and justice reform for Native American communities.The Bidens were photographed returning to the White House from Camp David each wearing an aqua blue item. Jill wore a scarf, while Biden wore a tie in the same color.The president and first lady hosted a St. Patrick's Day event in the East Room of the White House.Biden saw Jill off at Joint Base Andrews as she left for her trip to Ecuador, Panama, and Costa Rica.