Post Malone's "Wow" (Republic) is edging closer to the #1 spot, while Lil Nas X's "Old Town Road" (Columbia) moves Top 5. Khalid's "Talk" (RCA) and Taylor Swift's "ME!" f/Brendon Urie (Republic) both notch up inside the Top 10. Look for Shawn Mendes' "If I Can't Have You" (Island/Republic) to join the Top 10, while Halsey's "Nightmare" (Capitol) heads into the Top 15. Atlantic's Ed Sheeran should join the Top 20 with "Cross Me" f/ChanceTheRapper/PnB Rock. Lizzo's "Juice" (Atlantic) will chart this week, and watch for the newly-released Katy Perry single "Never Really Over" (Capitol) to join as well.