#20- The Script 'For The First Time'

BARCELONA, SPAIN - FEBRUARY 12: Singer Daniel O'Donoghue of the Irish band The Script peforms live during a concert at Razzmatazz on February 12, 2011 in Barcelona, Spain. (Photo by Javier Fernandez Del Corral/Getty Images)

#19- Maroon 5 'Never Gonna Leave This Bed'

DALLAS, TX - FEBRUARY 04: Maroon 5 attends The Black Eyed Peas Super Bowl Party presented by Sports Illustrated and Bacardi at Music Hall At Fair Park on February 4, 2011 in Dallas, Texas. (Photo by Joe Scarnici/Getty Images for Bacardi)

#18- Linkin Park- 'Waiting For The End'

LOS ANGELES, CA - FEBRUARY 23: Singer Chester Bennington of Linkin Park performs at the Staples Center on February 23, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

#17- Rihanna 'Only Girl In The World'

LOS ANGELES, CA - FEBRUARY 20: Singer Rihanna performs during the 2011 NBA All-Star game halftime show at Staples Center on February 20, 2011 in Los Angeles, California. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Jason Merritt/Getty Images)

#16- Christina Perri 'Jar Of Hearts'

NAPA, CA - NOVEMBER 13: Christina Perri poses at Aloft Hotels Presents Live in the Vineyard on November 13, 2010 in Napa, California. (Photo by Tim Mosenfelder/Getty Images for Aloft Hotels)

#15- Sugarland 'Stuck Like Glue'

NASHVILLE, TN - NOVEMBER 10: Kristian Bush and Jennifer Nettles of Sugarland attend the 44th Annual CMA Awards at the Bridgestone Arena on November 10, 2010 in Nashville, Tennessee. (Photo by Larry Busacca/Getty Images)

#14- Taio Cruz 'Dynamite'

NEW YORK, NY - DECEMBER 31: Musical artist Taio Cruz performs John Lennon’s ‘Imagine’ on the NIVEA Kiss Platform in Times Square, where he rang in 2011 while helping others “Prepare to be Kissed”. (Photo by Michael Loccisano/Getty Images for NIVEA)

#13- Katy Perry 'Firework'

LOS ANGELES, CA - FEBRUARY 13: Singer Katy Perry performs onstage during the 53rd Annual GRAMMY Awards held at Staples Center on February 13, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

#12- Adele 'Rolling In The Deep'

LONDON, ENGLAND - JANUARY 10: (UK TABLOID NEWSPAPERS OUT) Adele poses for a portrait session to promote her new album '21' on January 10, 2011 in London, England. (Photo by Dave Hogan/Getty Images)

#11- Taylor Swift 'Back To December'

LOS ANGELES, CA - JANUARY 05: Singer Taylor Swift attends the 2011 People's Choice Awards at Nokia Theatre L.A. Live on January 5, 2011 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for PCA)

#10- Kings Of Leon 'Sex On Fire'

LOS ANGELES, CA - FEBRUARY 13: (L-R) Nathan Followill, Caleb Followill, and Jared Followill of Kings of Leon arrive at The 53rd Annual GRAMMY Awards held at Staples Center on February 13, 2011 in Los Angeles, California. (Photo by Larry Busacca/Getty Images For The Recording Academy)

#9- Train 'Marry Me'

LOS ANGELES, CA - FEBRUARY 13: (L-R) Musicians Scott Underwood, Patrick Monahan and Jimmy Stafford of the band Train accept the Best Pop Performance By A Duo Or Group With Vocals Award onstage during The 53rd Annual GRAMMY Awards held at Staples Center on February 13, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

#8- Lady Gaga 'Born This Way'

LOS ANGELES, CA - FEBRUARY 13: Singer Lady Gaga performs onstage during the 53rd Annual GRAMMY Awards held at Staples Center on February 13, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

#7- Bruno Mars- 'Grenade'

LONDON, ENGLAND - JANUARY 24: Bruno Mars performs at a record release party for Bruno Mars' new album 'Doo-Wops and Hooligans' released on October 4th 2010 held at Cafe De Paris on January 24, 2011 in London, England. (Photo by David J Hogan/Getty Images)

#6- Plain White T's 'Rhythm Of Love'

NEW YORK - AUGUST 18: (L-R) Musicians Tim Lopez, Mike Retondo, Tom Higgenson, De'Mar Hamilton and Dave Tirio attend the Plain White T's Bowl to benefit the VH1 Save The Music Foundation at Bowlmor Lanes on August 18, 2010 in New York City. (Photo by Astrid Stawiarz/Getty Images)

#5- Usher 'DJ Got Us Fallin' In Love'

LOS ANGELES, CA - FEBRUARY 13: Singer Usher performs onstage during the 53rd Annual GRAMMY Awards held at Staples Center on February 13, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

#4- Pink 'Perfect'

PERTH, AUSTRALIA - MAY 22: Singer Pink performs on stage at the Burswood Dome on May 22, 2009 in Perth, Australia. (Photo by Paul Kane/Getty Images)

#3- Bruno Mars 'Just The Way You Are'

LONDON, ENGLAND - JANUARY 24: Bruno Mars performs at a record release party for Bruno Mars' new album 'Doo-Wops and Hooligans' released on October 4th 2010 held at Cafe De Paris on January 24, 2011 in London, England. (Photo by David J Hogan/Getty Images)

#2- Pink 'Raise Your Glass'

LOS ANGELES, CA - NOVEMBER 21: Singer Pink performs onstage during the 2010 American Music Awards held at Nokia Theatre L.A. Live on November 21, 2010 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images for DCP)

#1- Cee-Lo Green 'Forget You'

PARK CITY, UT - JANUARY 23: Cee Lo Green attends SPiN Decision Makers Panel With Hype Williams presented by Bing on January 23, 2011 in Park City, Utah. (Photo by Michael Buckner/Getty Images for Bing)