Def Jam continues their dominance at the top of the chart, replacing Rihanna's "Work" (Westbury Road/Roc Nation) with Jeremih's "Oui" at #1. Belly's "Might Not" f/The Weeknd (CP/Roc Nation) is #2, while Mike Posner's "I Took A Pill In Ibiza" (Island/Republic) keeps growing as it moves Top 5. Desiigner's "Panda" (G.O.O.D./Def Jam) and Drake's "One Dance" f/Wizkid & Kyla (YMCMB/Republic) are now the biggest records at the format, with both garnering increases north of 750 spins. The Chainsmokers' "Don't Let Me Down" f/Daya (Disruptor/Columbia) looks very strong as well. Finally, Nick Jonas f/Tove Lo's "Close" (Island) and Iggy Azalea's "Team" (Def Jam) should debut on the chart this week.