A source told 'Entertainment Tonight' that "unfortunately the Prince of Wales is no longer able to attend the King Constantine memorial service this morning due to a personal matter."
Prince William and Kate Middleton may leave Kensington Palace soon to move to Windsor Castle along with their three children, Prince George, Princess Charlotte, and Prince Louis.
Meghan Markle returned to the United States to process her UK visa ahead of her wedding to Prince Harry on May 19. The former 'Suits' star applied for a family visa.