LOS ANGELES, CA - JANUARY 11: (L-R) Singer Adam Levine and musician James Valentine of Maroon 5, winner Favorite Band, speak onstage at the 2012 People's Choice Awards at Nokia Theatre L.A. Live on January 11, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)
19. Cher Lloyd - Want U Back
(Photo by Danny Martindale/Getty Images)
LONDON, ENGLAND - JULY 08: Cher Lloyd performs at Barclaycard Wireless Festival at Hyde Park on July 8, 2012 in London, England. (Photo by Danny Martindale/Getty Images)
18. Kanye West/2 Chainz/Pusha-T/Big Sean - Mercy
(Photo by Kevin Winter/Getty Images)
LOS ANGELES, CA - AUGUST 28: Rappers Jay-Z (L) and Kanye West perform onstage during the 2011 MTV Video Music Awards at Nokia Theatre L.A. LIVE on August 28, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)
17. Katy Perry - Wide Awake
(Photo by Brendon Thorne/Getty Images)
SYDNEY, AUSTRALIA - JUNE 30: Katy Perry arrives at the "Katy Perry: Part Of Me" Australian Premiere on June 30, 2012 in Sydney, Australia. (Photo by Brendon Thorne/Getty Images)
16. Justin Bieber/Big Sean - As Long As You Love Me
15. Flo Rida/Sia - Wild Ones
(Photo by Kevin Winter/Getty Images)
UNIVERSAL CITY, CA - JULY 22: Rapper Flo Rida (R) performs onstage during the 2012 Teen Choice Awards at Gibson Amphitheatre on July 22, 2012 in Universal City, California. (Photo by Kevin Winter/Getty Images)
14. Wiz Khalifa - Work Hard Play Hard
(Photo by Christopher Polk/Getty Images for Coachella)
INDIO, CA - APRIL 15: Rappers Snoop Dogg (L) and Wiz Khalifa perform onstage during day 3 of the 2012 Coachella Valley Music & Arts Festival at the Empire Polo Field on April 15, 2012 in Indio, California. (Photo by Christopher Polk/Getty Images for Coachella)
13. Pitbull - Back In Time
(Photo by David Becker/Getty Images)
LAS VEGAS, NV - MARCH 30: Armando 'Pitbull' Perez, winner of the BMI President's Award, performs during the 19th Annual BMI Latin Music Awards at the Encore Las Vegas on March 30, 2012 in Las Vegas, Nevada. (Photo by David Becker/Getty Images)
12. Fun - We Are Young
(Photo by Charles Eshelman/Getty Images for Spotify)
NEW YORK, NY - NOVEMBER 30: (L-R) Andrew Dost, Nate Ruess and Jack Antonoff of the band Fun attend Spotify knocks it out of the park at Stephen Weiss Studio on November 30, 2011 in New York City. (Photo by Charles Eshelman/Getty Images for Spotify)
11. Calvin Harris/Ne-Yo - So Close
(Photo by Tim Whitby/Getty Images)
LONDON, ENGLAND - DECEMBER 03: Calvin Harris attends day one of Jingle Bell Ball at O2 Arena on December 3, 2011 in London, England. (Photo by Tim Whitby/Getty Images)
10. Nicki Minaj - Starships
(Photo by Danny Martindale/Getty Images)
LONDON, ENGLAND - JULY 07: Nicki Minaj performs at Barclaycard Wireless Festival at Hyde Park on July 7, 2012 in London, England. (Photo by Danny Martindale/Getty Images)
9. Ellie Goulding - Lights
(Photo by Michael Buckner/Getty Images)
HOLLYWOOD, CA - APRIL 11: Singer Ellie Goulding performs at the Third Annual ELLE Women In Music Event at Avalon on April 11, 2012 in Hollywood, California. (Photo by Michael Buckner/Getty Images)
8. Flo Rida - Whistle
(Photo by Ryan Pierse/Getty Images)
MELBOURNE, AUSTRALIA - APRIL 15: Musician Flo Rida arrives at the 2012 Logie Awards at the Crown Palladium on April 15, 2012 in Melbourne, Australia. (Photo by Ryan Pierse/Getty Images)
7. David Guetta/Sia - Titanium
(Photo by Mark Davis/Getty Images for Coachella)
INDIO, CA - APRIL 14: DJ David Guetta performs onstage at the 2012 Coachella Valley Music & Arts Festival held at The Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Mark Davis/Getty Images for Coachella)
6. Havana Brown - We Run The Night
(Photo by Alphonso Chan/Getty Images)
SINGAPORE - SEPTEMBER 26: Havana Brown performs on stage on the third and final day of the three day F1 Rocks Singapore concert at Fort Canning Park on September 26, 2009 in Singapore. (Photo by Alphonso Chan/Getty Images)
5. Kirko Bangz - Drank In My Cup
4. Carly Rae Jepsen - Call Me Maybe
(Photo by Stuart Wilson/Getty Images)
LONDON, UNITED KINGDOM - JUNE 09: Carly Rae Jepsen attends The Capital FM Summertime Ball 2012 at Wembley Stadium on June 9, 2012 in London, United Kingdom. (Photo by Stuart Wilson/Getty Images)
3. Gotye - Somebody That I Used To Know
(Photo by Michael Buckner/Getty Images for Coachella)
INDIO, CA - APRIL 15: Musician Wouter "Wally" De Backer aka Gotye performs during Day 3 of the 2012 Coachella Valley Music & Arts Festival held at the Empire Polo Club on April 15, 2012 in Indio, California. (Photo by Michael Buckner/Getty Images for Coachella)
2. Maroon 5 - Payphone
1. Rihanna - Where Have You Been
(Photo by John Shearer/Getty Images for Entertainment Industry Foundation)
BEVERLY HILLS, CA - APRIL 18: Singer Rihanna performs onstage at the 15th Annual "An Unforgettable Evening" Benefiting EIF's Women's Cancer Research Fund held at The Beverly Hilton Hotel on April 18, 2012 in Beverly Hills, California. (Photo by John Shearer/Getty Images for Entertainment Industry Foundation)
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