King Charles III's recent four-day U.S. trip to mark 250 years of American independence has reignited tensions behind the scenes between the Duke and Duchess of Sussex over how to handle their relationship with the monarch and Britain's royal family, a new report has claimed. According to Closer magazine, Meghan Markle was deeply upset after watching her father-in-law and Queen Camilla warmly interact with President Donald Trump - who's spent years publicly criticizing both Meghan and husband Prince Harry - during the elder royals' diplomatic visit to America, which wrapped on April 30.