VIDEO : Dax Shepard Was Once Threaten By Mike Tyson

Dax Shepard and Michael Pena recently visited the Bravo Cub house for an episode of "Watch What Happens Live" to promote their new movie, "Chips." On the show, Shepard revealed the meanest thing a celebrity has ever done to him. He shared that he was once threatened at an NBA All-Star Game by former heavyweight boxer Mike Tyson.