1. Britney Spears 2. Lady Gaga 3. Beyonce 4. Rihanna 5. Katy Perry 6. Demi Lovato 7. Madonna 8. Jennifer Lopez 9. Nicki Minaj 10. Taylor Swift
1. Adam Lambert 2. Adam Levine 3. Justin Bieber 4. Enrique Iglesias 5. Tokio Hotel frontman Bill Kaulitz 6. Bruno Mars 7. Bon Jovi 8. Chris Brown 9. Usher 10. Drake