Love. Angel. Music. Baby. is the debut solo studio album by American singer Gwen Stefani. It was released on November 12, 2004, by Interscope Records. Stefani, who had previously released five studio albums as lead singer of the rock band No Doubt, began recording solo material in early 2003. She began working on Love. Angel. Music. Baby. as a side project that would become a full album after No Doubt went on hiatus. Stefani co-wrote every song on the album, collaborating with various songwriters and producers including André 3000, Dallas Austin, Dr. Dre, Jimmy Jam and Terry Lewis, the Neptunes and Linda Perry. The album also features guest appearances by Eve and André 3000. Features the singles "What You Waiting For?", "Rich Girl", "Hollaback Girl", "Cool", "Luxurious" and "Crash".