“I don’t think so. Ellen is there, and I think she’ll do a great job. We’d probably be too similar. She’s gonna be nice; I would be nice. She would say ‘Oh my God, you’re great,’ then there would be two mean people and then there’d be me going ‘Oh my God, you’re great.’” ROSIE O'DONNELL doesn't want to replace Simon Cowell on American Idol alongside Ellen Degeneres when the music mogul leaves the show later this year (10).