Julian Casablancas is an American singer. He was a member of the American rock band The Strokes and released his solo debut album Phrazes for the Young. He also collaborated with Queens of the Stone Age on their album Era Vulgaris. Casablancas has recorded with Danger Mouse and Sparklehorse, and released Instant Crush with Daft Punk, Infinity Repeating (2013 Demo) with The Voidz and Daft Punk, and Mean Girls with Charli XCX. He appeared in the documentary Meet Me in the Bathroom.