While promoting her new movie Rough Night on The Tonight Show Starring Jimmy Fallon, Demi Moore shared the story of a pretty rough night of her own: the actress told the talk show host that her two front teeth recently broke off due to stress. ?I sheared off my front teeth. And I?d love to say it was skateboarding or something really cool, but I think it?s really something that?s important to share,? she told the audience. ?Because I think it?s ? probably after heart disease ? one of the biggest killers in America, which is stress.