20. Kelly Clarkson - "Stronger (What Doesn't Kill You)

19. Maroon 5 - "Payphone"

18. Gotye - "Somebody That I Used To Know"

17. Carly Rae Jepsen - "Call Me Maybe"

16. Hunter Hayes - "Wanted"

15. Carly Rae Jepsen & Owl City - "Good Time"

14. Bruno Mars - "Locked Out Of Heaven"

13. Carrie Underwood - "Blown Away"

12. Ed Sheeran - "The A Team"

11. Demi Lovato - "Give Your Heart A Break"

10. Ke$ha - "Die Young"

9. Justin Bieber - "As Long As You Love Me"

8. Chris Brown - "Don't Wake Me Up"

7. Alex Clare - "Too Close"

6. Fun. - "Some Nights"

5. Ellie Goulding - "Lights"

4. Train - "50 Ways To Say Goodbye"

3. P!NK - "Blow Me (One Last Kiss)"

2. Taylor Swift - "We Are Never Ever Getting Back Together"

1. Maroon 5 - "One More Night"

<> at Rockefeller Plaza on June 29, 2012 in New York City.