Remember the strange lawsuit against Justin Bieber which claims he cheated on Selena Gomez with Rihanna, Ke$ha and Penelope Cruz? Well, at least one of those celebrities has confirmed the accusation is false. Ke$ha told an Australian radio show, "I mean, that's news to me. No, I have not, for the record, ever slept with Justin Bieber. More than that, he has a girlfriend who is really, really hot, so I think he's sorted