"rockstar," Post Malone's new single with 21 Savage, is the number one song on the Billboard Hot 100. The song debuted at number 2 in the final week of September, behind Cardi B's "Bodak Yellow," topping the Streaming Songs Chart with 44.1 million digital plays. The song gives both Post and 21 their first number one singles.
The milestone marks Post Malone's second top 10 hit after "Congratulations," produced by Metro Boomin with a feature from Quavo, and which peaked at number 8. 21 Savage's highest chart position prior to "rockstar" was his solo single "Bank Account," charting at number 12.