Westside Whimsy is the fourth studio album by the American singer and songwriter Jhené Aiko. It was released on September 11, 2026, by ArtClub International and Def Jam Recordings. Six years following the release of her previous studio album Chilombo (2020), Aiko surprise announced the album on her social media the week of its release. The album includes collaborations with Ab-Soul, Kendrick Lamar, Larry June, Ohma, and Tyga.