Andrew Morton is one of the world's best-known biographers and a leading authority on modern celebrity as well as royalty. His ground-breaking 1992 biography revealed the secret world of Diana, Princess of Wales. Written with her full, though then secret, cooperation, the book changed the way the world looked at the British royal family. SinceDiana: Her True Story, he has gone on to write Number 1 Sunday Times and New York Times bestsellers on Monica Lewinsky, Madonna, David and Victoria Beckham, Tom Cruise, Angelina Jolie, and, most recently, on the Duke and Duchess of Cambridge in William and Catherine: Their Lives, Their Wedding. The winner of numerous awards, he divides his time between London, Hollywood and Manhattan.