Princess Margaret Once Told a Royal Biographer That She Knew Exactly What the Problem Was in Charles and Diana’s Marriage Kristin Contino is Marie Claire's Senior Royal and Celebrity editor. She's been covering royalty since 2018—including major moments such as the Platinum Jubilee, Queen Elizabeth II’s death and King Charles III's coronation—and places a particular focus on the British Royal Family's style and what it means. Select the newsletters you’d like to receive. Then, add your email to sign up.Receive email from us on behalf of our trusted partners or sponsorsYour shortcut to the now and the next in contemporary home decoration, from designing a fashion-forward kitchen to decoding color schemes, and the latest interiors trends. The ultimate interior design resource from the world's leading experts - discover inspiring decorating ideas, color scheming know-how, garden inspiration and shopping expertise.Princess Margaret “The trouble was that he undermined her consistently from the start, and gave her no support,” reportedly Margaret told Vickers of the now-King. “Then he began to get difficult over the children, which was the cause of all the trouble last year.”The late Queen’s sister added that she knew a thing or two about being “undermined.” She told Vickers, “It was the same with me and Tony [However, it was Margaret who reportedly asked her nephew if it was okay to stay friendly with Diana after their split. According to Vickers, the princess said to Charles, “‘Do you mind if I go on being friends with her?’ and he said that was fine.”Known for her quick wit, Princess Margaret remarked on their shared situation in December 1992 as she sat alongside Andrew Mountbatten-Windsor and Prince Charles atContact me with news and offers from other Future brandsKristin Contino is Marie Claire's Senior Royal and Celebrity editor. She's been covering royalty since 2018—including major moments such as the Platinum Jubilee, Queen Elizabeth II’s death and King Charles III's coronation—and places a particular focus on the British Royal Family's style and what it means..” She's passionate about travel, history, horses, and learning everything she can about her favorite city in the world, London.