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