#10 Good Life - OneRepublic

onstage during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada.

#9 Dirt Road Anthem - Jason Aldean

performs during rehearsals for the 46th Annual Academy Of Country Music Awards held at the MGM Grand Garden Arena on April 1, 2011 in Las Vegas, Nevada.

#8 Rolling In The Deep - Adele

<> at Palais am Funkturm on March 24, 2011 in Berlin, Germany.

#7 Tonight Tonight - Hot Chelle Rae

(EXCLUSIVE COVERAGE) attends "The Celebrity Apprentice" Season Premiere viewing party hosted by John Rich at Mount Richmore on March 6, 2011 in Nashville, Tennessee.

#6 Give Me Everything - Pitbull Featuring Ne-Yo, Afrojack & Nayer

poses in the press room during the 2010 American Music Awards held at Nokia Theatre L.A. Live on November 21, 2010 in Los Angeles, California.

#6 Give Me Everything - Pitbull Featuring Ne-Yo, Afrojack & Nayer

poses in the press room during the 2010 American Music Awards held at Nokia Theatre L.A. Live on November 21, 2010 in Los Angeles, California.

#5 How To Love - Lil Wayne

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

#4 Super Bass - Nicki Minaj

LAS VEGAS, NV - MAY 22: Singer Nicki Minaj (C) performs during the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ABC)

#3 Last Friday Night (T.G.I.F.) - Katy Perry

onstage during the 53rd Annual GRAMMY Awards held at Staples Center on February 13, 2011 in Los Angeles, California.

#2 Skyscraper - Demi Lovato

US actress Demi Lovato poses for a picture before a press conference in a hotel in San Jose on October 25, 2010. Lovato is in Costa Rica to perform along with the Jonas Brother's group in a concert next October 26. AFP PHOTO/ Yuri CORTEZ (Photo credit should read YURI CORTEZ/AFP/Getty Images)

#1 Party Rock Anthem - LMFAO Featuring Lauren Bennett & GoonRock

<> at fuse Studios on April 28, 2011 in New York City.

#1 Party Rock Anthem - LMFAO Featuring Lauren Bennett & GoonRock

<> at fuse Studios on April 28, 2011 in New York City.