Post Malone's "Rockstar" f/21 Savage (Republic) is firmly entrenched at the top spot, with J Balvin's "Mi Gente" f/ Beyoncé (PW/UMLE/Columbia-Republic) and G Eazy's "No Limit" f/ A$AP Rocky & Cardi B (RCA) both showing strong gains inside the Top 10. Camila Cabello's "Havana" f/ Young Thug (Syco/Epic) explodes into the Top 20. Look for impressive gains by NF's "Let You Down" (NF Real Music/Caroline) Calvin Harris' "Faking It" (Columbia) and Post Malone's "I Fall Apart" (Republic). Capitol will see two debuts this week, as Sam Smith's "Too Good At Goodbyes" and Migos' "MotorSport" f/ Nicki Minaj and Cardi B (QC/Motown) break through, while Russ' "Wife You Up" (Columbia) hits the chart this week as well.