#20 International Love-Pitbull Featuring Chris Brown

(Photo by Larry Busacca/Getty Images For The Recording Academy)

#19 Moves Like Jagger-Maroon 5 With Christina Aguilera

(Photo by Christopher Polk/Getty Images for A&M/Octone)

#18 Somebody That I Used To Know-Gotye

(photo by Getty Images)

#17-Nothing-The Script

(Photo by Slaven Vlasic/Getty Images)

#16 Rumour Has It-Adele

(Photo credit should read BEN STANSALL/AFP/Getty Images)

#15 Sexy & I Know It-LMFAO

(Photo credit TIMOTHY A. CLARY/AFP/Getty Images)

#14 Drive By-Train

(Photo by Ethan Miller/Getty Images)

#13 A Thousand Year's-Christina Perri

(Photo credit BEN STANSALL/AFP/Getty Images)

#12 I Won't Give Up-Jason Mraz

(Photo credit FREDERIC J. BROWN/AFP/Getty Images)

#11 Someone Like You-Adele

(Photo credit LEON NEAL/AFP/Getty Images)

#10 We Are Young-Fun.

(photo courtesy of Road Runner Records)

#9 Good Feeling-Flo Rida

(Photo by J. Dennis/Einstein/NBAE via Getty Images)

#8 Part Of Me-Katy Perry

(Photo by Kevin Winter/Getty Images)

#7 Stereo Hearts-Gym Class Heroes With Adam Levine

(Photo by Gustavo Caballero/Getty Images for Rolling Stone's Volkswagen Rock & Roll Tailgate)

#6 Mr. Know It All-Kelly Clarkson

(Photo by Christopher Polk/Getty Images)

#5 Set Fire To The Rain-Adele

(Photo by Dave J Hogan/Getty Images)

#4 We Found Love-Rihanna

(Photo by Dave J Hogan/Getty Images)

#3 Domino-Jessie J

(Photo by Gareth Cattermole/Getty Images)

#2 It Will Rain-Bruno Mars

(Photo by Jacob Andrzejczak/Getty Images for Sports Illustrated)

#1 Stronger-Kelly Clarkson

(Photo by Kevin Winter/Getty Images)