1. Jonas Brothers
2. David Cook & David Archuleta
3. Jon Hamm
4. Rachel Maddow
5. Robert Pattinson
6. Demi Lovato
7. Selena Gomez
8. Shenae Grimes
9. Katy Perry
10. Whitney Port
Move over Miley Cyrus, Disney's Next Big Thing is named Demi Lovato. The petite teen burst onto the scene with a starring role opposite Joe Jonas in The Disney Channel's much-watched flick Camp Rock. She then went on tour with the Jonas Brothers and released her debut album. Next, the singer-actress has a Disney Channel movie (Princess Protection Program) and a TV show (Sonny with a Chance) in the works.