Meghan Markle and Prince Harry's shocking Oprah Winfrey interview could not have aired at a worse time. According to royal author Hugo Vickers' book Queen Elizabeth II, Prince Philip reportedly underwent heart surgery mere days after the Duke and Duchess of Sussex slammed the royal family in their sit down with the former talk show host. "The following year, the Duke of Edinburgh, then aged 99, was admitted to the Edward VII Hospital in London for tests. On March 1, he was moved to St.