#10 PITBULL--BACK IN TIME..
#9 ELLIE GOULDING--LIGHTS..
#8 WIZ KHALIFA--WORK HARD,PLAY HARD..
#7 B.O.B + TAYLOR SWIFT--BOTH OF US..
#6 DAVID GUETTA + SIA--TITANIUM..
#5 ONE DIRECTION--ONE THING..
#4 RIHANNA--WHERE HAVE YOU BEEN..
#3 JUSTIN BIEBER--BOYFRIEND..
#2 USHER--SCREAM..
#1 CARLY RAE JEPSEN--CALL ME MAYBE..
