Problem (Ariana Grande feat. Iggy Azalea vs. Nelly vs. Cleand Bandit feat. Jess Glynne vs. Macklemore & Ryan Lewis vs. Christina Aguilera vs. Trey Songz feat. T.I. vs. Jay-Z vs. Indeep vs. 50 Cent vs. Missy Elliott vs. NSYNC vs. TLC)