We officially have a game of musical chairs being played at the top of the Pop chart, as Portugal.The Man's "Feel It Still" (Atlantic) moves back up to the #1 spot. Meanwhile, Camila Cabello's "Havana" f/Young Thug (Syco/Epic) inches closer to the Top 5, and in a battle to be the week's Greatest Gainer. Halsey's "Bad At Love" (Astralweks/Capitol) joins the Top 10. And charting this week will be Bebe Rexha's "Meant To Be" f/FGL (Warner Bros.).