Diana, Our Mother: Her Life and Legacy, a touching HBO documentary where they shared memories of t. Wednesday marks 25 years since the car crash that took her life in Paris, and after a very public falling out, the brothers will be honoring the day thousands of miles apart. According to a royal source who spoke to , William will be spending the day quietly with Kate Middleton in Windsor, where they are settling into a new home, Adelaide Cottage, and preparing for their three children, Prince George, Princess Charlotte, and Prince Louis, to begin attending a .Harry, on the other hand, will spend the day with his , and their two children, Archie and Lili Mountbatten-Windsor, in California.