Meet Simon's next "it" girl : British star Leona Lewis! Go behind the scenes of the hit music video Bleeding Love , and find out the many reasons this secretary gone superstar so enjoys enjoys having her video produced by the legendary Clive Davis, who's worked with Alicia Keys , Bruce Springsteen and Aretha Franklin, just to name a few. You'll be awed by her voice and more when Simon Cowell reveals some of his most talented discoveries .