What do you get when you cross a pre-pubescent teenager, some costume props and the promise of a big party?
Well, apparently you get a penis wig. And some great future talk show material.
Appearing on The Graham Norton Show on Friday, Jamie Dornan told the spectacularly awkward tale of how he once glued a fake beard around his groin to give the desperate impression he actually had pubic hair.
Unsurprisingly, the tale has a painful ending.