"Rockstar" is a 2017 song by American rapper Post Malone featuring British rapper 21 Savage and is the lead single from his second studio album Beerbongs & Bentleys (2018). It topped the single charts in Australia, Austria, Canada, the Czech Republic, Finland, Greece, Ireland, New Zealand, Norway, Portugal, Slovakia, Sweden, the United Kingdom and the United States. It also went to number 2 in Germany, Italy, the Netherlands and Switzerland, number 3 in Belgium, number 4 in Lebanon and the Netherlands and number 5 in Belgium and France.