It was released on September 15, 2017, by Republic Records as the lead single from Malone's second studio album Beerbongs & Bentleys (2018). ' Rockstar' (stylized in lower case) is a song by American rapper and singer Post Malone featuring Atlanta-based rapper 21 Savage. Single by Post Malone featuring 21 Savage
2017 single by Post Malone featuring 21 Savage 'Rockstar'