In 2019, he gained mainstream fame with his single "Pop Out" featuring Lil Tjay which peaked at number 11 on the Billboard Hot 100. The singles were included on his debut studio album, Die a Legend (2019), which peaked at number 6 on the US Billboard 200 and went on to be certified RIAA Platinum. Bartlett's second studio album, The Goat (2020), peaked at number 2 on the US Billboard 200 and included ten Hot 100 charting singles.