Caroline Miner Smith (born November 26, 1995), known professionally as Siiickbrain, is an American singer, songwriter, and model.

[2][3] In March 2020, following the death of her best friend from a drug overdose, she wrote and independently released her first song, "Cigarettes and Cartier", as Siiickbrain, which was her Instagram handle at the time.

Her single "Power", a collaboration with Pussy Riot founder Nadya Tolokonnikova, was released in March 2021 and later included on the soundtrack for the 2022 film Bullet Train.

[17] For V, Kala Herh wrote that Siiickbrain "blends dark pop with alternative rock", while Sam Law of Kerrang!

[12][18] Steffanee Wang of Nylon wrote described her songs as "jagged part-metal, part-hyperpop explosions on which she screams most of her downcast lyrics".