Vertical Horizon vs. Amerie feat. Ludacris

On Your Toes Britney Spears vs. Nirvana vs. Madonna feat. Justin Timberlake vs. Usher feat. Lil John & Ludacris Ke$ha vs. Glee Cast vs. Black Eyed Peas vs. La Roux vs. Iglu and Hartly Lady Antebellum vs. Lady GaGa vs. Katy Perry vs. Ke$ha Britney Spears vs. Christina Aguilera Pink Lil Kim and Mya