Balloonerism is a posthumous studio album by Mac Miller, released in 2025. The material was recorded largely in 2014, during the period around his mixtape Faces, and remained unreleased at the time. The album had an experimental, psychedelic sound and featured contributions from SZA and Thundercat. An accompanying animated film was released alongside the album. Balloonerism reached number three on the Billboard 200. Miller died in 2018 at the age of 26.