Look out for the claws on these resident mean girls of reality TV
Paula Abdul and Kara Dio Guardi, American Idol
After seven seasons with Simon Cowell and Randy Jackson, Abdul might not have been eager to welcome new judge DioGuardi. She told tabloid OK! that having a fourth judge "doesn't work." Although she said her quote was out of context, DioGuardi was hurt, saying that "Paula has a right to her opinions, but I was disappointed."