Graham Norton has a natural way of coaxing his guests into revealing intimate details about their lives, but even he was surprised when British pop-rock star Robbie Williams divulged a winding, torrid tale from his youthful years about a strange sexual encounter with a mysterious woman in his rented castle. (Yes, a rented castle.) Justin Timberlake, Anna Kendrick, and Daniel Radcliffe can hardly believe what they’re hearing. And frankly, neither can we. We’re definitely inviting him to our next dinner party … that man has stories.