Which of these bands was Gwen Stefani once a member of?

Explanation

Gwen Stefani (b. 1969) is an American singer and songwriter. She rose to fame as a member of the band No Doubt. In 2004, her first solo album "Love.Angel.Music.Baby" was released, including the hit single "Hollaback Girl". In 2002 Gwen Stefani married Gavin Rossdale, who is a member of the band Bush.