25. Calvin Harris – Feels So Close

(Photo by Tim Whitby/Getty Images)

24. Adele – Rumor Has It

(Photo by Gareth Cattermole/Getty Images)

23. K’Naan ft. Nelly Furtado – Is Somebody Out There?

(Photo credit should read MARK RALSTON/AFP/Getty Images)

22. Karmin – Brokenhearted

(Photo by Chelsea Lauren/Getty Images for Mercedes-Benz Fashion Week)

21. Hot Chelle Rae ft. New Boyz – I Like I Like That

(Photo by Ed Rode/Getty Images for Vevo)

20. Gotye – Somebody I Used To Know

(Photo by Mark Metcalfe/Getty Images)

19. B.O.B. – So Good

Photo by Neilson Barnard/Getty Images)

18. One Direction –What Makes You Beautiful

(Photo by Kevork Djansezian/Getty Images)

17. Nicki Minaj – Starships

(Photo by Kevork Djansezian/Getty Images)

16. Gavin DeGraw – Not Over You

(Photo by Erika Goldring/Getty Images for Caesars Entertainment)

15. Chris Brown – Turn Up The Music

(Photo by Mike Ehrmann/Getty Images)

14. Train – Drive By

(Photo by Ethan Miller/Getty Images)

13. Drake ft. Rihanna – Take Care

(Photo by Ronald Martinez/Getty Images)

12. David Guetta ft. N. Minaj – Turn Me on

(Photo by Sean Gallup/Getty Images)

11. Jessie J – Domino

(Photo by Mark Metcalfe/Getty Images)

10. Wiz Kalifah ft. Snoop – Young, Wild, + Free

(Photo credit should read JOE KLAMAR/AFP/Getty Images)

9. Flo Rida – Good Feelin

(Photo by Garrett Ellwood/NBAE via Getty Images)

8. Flo Rida – Wild Ones

(Photo by Issac Baldizon/NBAE via Getty Images)

7. Adele – Set Fire To The Rain

(Photo by Kevork Djansezian/Getty Images)

6. Pitbull ft. Chris Brown – International Love

(Photo by David Becker/Getty Images)

5. Katy Perry – Part Of Me

(Photo by John Shearer/Getty Images for KCA)

4. Gym Class Heros – Ass Back Home

(Photo by Mark Metcalfe/Getty Images)

3. Kelly Clarkson – Stronger

(Photo by Frazer Harrison/Getty Images for ACM)

2. Fun. – We Are Young

(Photo by Karl Walter/Getty Images)

1. The Wanted – Glad You Came

(Photo by Tim Whitby/Getty Images)