This photo is sure to thrill fans of Doctor Who, David Tennant cosplaying as Peter Capaldi's Doctor during a fan convention in New York on Saturday! The Tenth Doctor actor donned Twelve's coat and sonic sunglasses alongside Whovian James Bonk at the Wizard World 'The Doctors' event.
We're not sure about the laws of time, but surely this broke some timey-wimey pardoxes...