Gwen Stefani is a Grammy-winning pop rock star and former lead singer and co-founder of the rock band No Doubt. She currently is one of the judges on the hit show The Voice. The band No Doubt became famous after releasing their studio album Tragic Kingdom and singles such as "Just a Girl," "Don't Speak," "It's My Life" and "Hey Baby," (for which she won a Grammy Award). In 2004 Stefani appeared with her first solo debut studio album "Love. Angel. Music. Baby". Her first solo album was influenced by music of the 1980s. Her solo album, The Sweet Escape, had singles like Wind It Up, Four in the Morning, and the breaking hit, The Sweet Escape. So far Gwen Stefani has won three Grammy Awards