Post achieved huge commercial success with his 21 Savage collaboration, 'rockstar'.
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21 Facts You Need To Know About 'rockstar' Rapper Post Malone
5. Post achieved huge commercial success with his 21 Savage collaboration, 'rockstar'.
The song reached number one on the US Billboard Hot 100, becoming Post Malone and 21 Savage's first number-one song. It also broke the single week streaming record on Apple Music with over 25 million streams.
