#10 Kelly Clarkson - Dark Side

US singer Kelly Clarkson performs during the Pop Music Festival 2012 at Arena Anhembi in Sao Paulo, Brazil, on June 23, 2012. AFP PHOTO/Yasuyoshi CHIBA (Photo credit should read YASUYOSHI CHIBA/AFP/GettyImages)

#9 Karmin - Broken Hearted

LOS ANGELES, CA - JUNE 26: Musical group Karmin arrive at the BET Awards '11 held at the Shrine Auditorium on June 26, 2011 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)

#8 Demi Lovato - Give Your Heart A Break

LOS ANGELES, CA - JULY 18: Singer Demi Lovato performs at the Greek Theatre on July 18, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

#7 Matchbox 20 - She's So Mean

NEW YORK, NY - JUNE 21: Rob Thomas of Matchbox Twenty performs at the gala opening of the new Mercedes-Benz Manhattan at Mercedes-Benz Manhattan on June 21, 2011 in New York City. (Photo by Mike Coppola/Getty Images for Mercedes-Benz)

#17 Ellie Goulding - Lights

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)

#5 P!nk - Blow Me (One Last Kiss)

SANTA MONICA, CA - AUGUST 06: Singer P!nk is announced as the newest face of COVERGIRL Cosmetics at Shutters On The Beach on August 6, 2012 in Santa Monica, California. (Photo by Angela Weiss/Getty Images)

#4 Katy Perry - Wide Awake

Photo by Ian Gavan/Getty Images

LONDON, ENGLAND - JULY 03: Katy Perry attends the European Premiere of 'Katy Perry Part Of Me' at Empire Leicester Square on July 3, 2012 in London, England. (Photo by Ian Gavan/Getty Images)

#3 Maroon 5 - Payphone

NEW YORK, NY - JUNE 29: Singer Adam Levine of Maroon 5 performs on NBC's "Today" at Rockefeller Plaza on June 29, 2012 in New York City. (Photo by Michael Loccisano/Getty Images)

#8 Carly Rae Jepsen - Call Me Maybe

UNIVERSAL CITY, CA - JULY 22: Singer Carly Rae Jepsen 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)

#1 Gotye - Somebody That I Used To Know

SYDNEY, AUSTRALIA - MAY 28: Wally De Backer arrives at the 2012 APRA Music Awards at the Sydney Convention & Exhibition Centre on May 28, 2012 in Sydney, Australia. (Photo by Brendon Thorne/Getty Images)