Sabrina Louise Bernstein, better known by her stage name Sizzy Rocket, is an American singer and songwriter. She released her debut studio album, Thrills (2016), and toured with Kitten as a supporting act. The same year she launched her own independent record label, Diet Punk Records, which is now named LOST CHRRRY Records. As of 2026, she's released three studio albums including Grrrl (2019) and ANARCHY (2020). Bernstein entered a contest through Kesha's app, Smash, where she wrote her own verse for the single, "ATTENTION!". She was chosen as one of the two winners for the contest and their versions were released through Kesha Records. Berenstein added that she recorded her verse, as well as her guitar solo, in her bedroom. In 2026, Rocket joined Kesha as the supporting act for the European leg of The Tits Out Tour. She is set to open for Kesha again on The Freedom Tour.