(110)U.S.A. BILLBOARD CHART20 2014-35 01Rude MAGIC!5589 02All About That Bass Meghan Trainor 03Stay With Me Sam Smith 04Break Free Ariana Grande&Zedd 05Fancy Iggy Azalea&Charli XCX 06Am I Wrong Nico And Vinz 07Problem Ariana Grande&Iggy Azalea 08Black Widow (Justin Prime Radio Edit) Iggy Azalea&Rita Ora 09Chandelier Sia 10Bang Bang Jessie J&Ariana Grande&Nicki Minaj 11Boom Clap Charli XCX 12Maps Maroon 13Latch Disclosure&Sam Smith 14Rather Be Clean Bandit&Jess Glynne