He loved music from a young age and planned on joining a band thanks to the video game Guitar Hero, but when his dad gave him a copy of Terror Squad's hit "Lean Back," Post decided to become an MC. In 2016, he released the single "Go Flex" along with his official debut mixtape, August 26th, which was actually released in May. Months later, his first studio effort arrived. Stoney featured guests like Justin Bieber, Migos' Quavo and Kehlani. The album peaked at #6 on the Billboard 200 and was certified multi-platinum. Following the success of his debut, Post issued the singles "rockstar" with 21 Savage and "Psycho" with Ty Dolla $ign. The former topped the Hot 100 for weeks while the latter peaked at #2. The tracks landed on his sophomore follow-up, Beerbongs & Bentleys, which landed at #1 upon its release. Along with producers like Scott Storch, PartyNextDoor, Louis Bell, and London on da Track, the effort also featured guest rappers Nicki Minaj, YG and G-Eazy, among others.