#20 J. Cole - Workout

<> fuse Studios on October 25, 2011 in New York City.

#19 The Wanted - Glad You Came

CHELMSFORD, ENGLAND - AUGUST 21: The Wanted perform live on the V stage during day 2 of the V Festival in Hylands Park on August 21, 2011 in Chelmsford, United Kingdom. (Photo by Ian Gavan/Getty Images)

#18 Jay Z & Kanye West - N***** in Paris

performs onstage during the 2011 MTV Video Music Awards at Nokia Theatre L.A. LIVE on August 28, 2011 in Los Angeles, California.

#17 Bad Meets Evil feat. Bruno Mars - Lighters

#16 Katy Perry - The One That Got Away

#15 LMFAO - Party Rock Anthem

arrives at the 2011 MTV Video Music Awards at Nokia Theatre L.A. LIVE on August 28, 2011 in Los Angeles, California.

#14 DEV - In the Dark

INDIO, CA - APRIL 16: Singer Dev performs during Day 2 of the Coachella Valley Music & Arts Festival 2011 held at the Empire Polo Club on April 16, 2011 in Indio, California. (Photo by Michael Tullberg/Getty Images) *** Local Caption *** Devin Star Tailes

#13 Lil Wayne feat. Drake - She Will

onstage during the BET Awards '11 held at the Shrine Auditorium on June 26, 2011 in Los Angeles, California.

#12 Nicki Minaj feat. Rihanna - Fly

#11 Alexandra Stan - Mr. Saxobeat

<> on September 8, 2011 in Berlin, Germany.

#10 David Guetta feat. Usher - Without You

<> during the first day of the Wireless Festival at Hyde Park on July 1, 2011 in London, England.

#9 Cobra Starship feat. Sabi - You Make Me Feel

<> at the Hard Rock Cafe - Times Square on March 21, 2011 in New York City.

#8 T-Pain feat. Wiz Khalifa - 5 O'Clock

TORONTO, ON - SEPTEMBER 12: Special Guest T-Pain performs on stage at the Molson Canadian Amphitheatre, part of Chris Browns North American F.A.M.E tour that kicked off on September 12, 2011 in Toronto, Canada. (Photo by Jag Gundu/Getty Images)

#7 Flo Rida - Good Feeling

appears on stage at the 10th Annual BMI Urban Awards at the Pantages Theatre on September 10, 2010 in Los Angeles, California.

#6 Drake - Headlines

Getty Images

onstage during the 2010 MTV Video Music Awards at NOKIA Theatre L.A. LIVE on September 12, 2010 in Los Angeles, California.

#5 Gym Class Heroes feat. Adam Levine - Stereo Hearts

onstage at the 2009 VH1 Hip Hop Honors at the Brooklyn Academy of Music on September 23, 2009 in the Brooklyn borough of New York City.

#4 Adele - Someone Like You

onstage during 2009 VH1 Divas at Brooklyn Academy of Music on September 17, 2009 in New York City.

#3 Maroon 5 feat. Christina Aguilera - Moves Like Jagger

performs at the Maroon 5 Video Shoot for "Moves Like Jagger" with Christina Aguilera on July 8, 2011 in Los Angeles, California.

#2 LMFAO - Sexy and I Know It

#1 Rihanna feat. Calvin Harris - We Found Love