Watch Diana: The Royal Truth for Free: How to Stream the Movie Online at 123Movies. . A captivating first hand account of the life of one of the most iconic figures of the 20th century, Diana Princess of Wales, by the man who lived through it all. From innocent dreamer to divorced change-bringer the turbulent life of Diana was rocked the world. With exclusive insight and anecdotes prepare to uncover the heartbreaking true story of the most photographed woman in the world and the mother of the future King.