For a third week in a row The Chainsmokers' "Closer" f/Halsey (Disruptor/Columbia) will remain in the #1 position on the chart. The Greatest Gainer and fastest moving song again this week is The Weeknd's "Starboy" f/Daft Punk (XO/Republic) climbing from #16 to #9, which means it took all of two weeks to join the Top Ten! Calvin Harris' "My Way" (Columbia) moves Top 15. Alessia Cara's "Scars (To Your Beautiful)" (Def Jam) joins the Top 20, moving up to #18. Sia's "The Greatest" f/Kendrick Lamar (Monkey Puzzle/RCA) is poised to join the Top 20. Big movers inside the Top 30 include Ariana Grande's "Side To Side" f/Nicki Minaj (Republic) which moves Top 25 and Niall Horan's "The Town" (Capitol) which moves to #30. And finally, Epic has two tracks charting this week, Fifth Harmony's "That's My Girl" and Zara Larsson's "Aint My Fault."