It looks like we will have a new #1 at T40 as Drake conquers Pop radio with "One Dance" f/Wizkid & Kyla (YMCMB/Republic), making the jump from #3 to #1. RCA's Sia is this week's Greatest Gainer with "Cheap Thrills" which joins the Top 5, while label mate Pink charges into the Top 10 with "Just Like Fire" at #8. Shawn Mendes' "Treat You Better" (Island/Republic) moves Top 15. Fifth Harmony's "All In My Head" (Epic) is now Top 20 and Ariana Grande's "Into You" (Republic) rises into the Top 30. Joining the chart this week will be Warner Bros.' Lukas Graham with "Mama Said" and Troye Sivan f/Alessia Cara's "Wild" (Capitol).