Royal biographer, Daily Mail correspondent and Vanity Fair contributor Katie Nicholl released a new book today, detailing the Duchess of Cambridge’s early life and relationship with Prince. “Kate had met William at least once before. Prince William has split from his girlfriend Kate Middleton, PEOPLE has confirmed. The breakup was "amicable," according to a friend… Prince William and Kate Middleton are living a real-life fairy tale, and it’s not just…