Gwen Stefani was in a band.
Gwen Stefani . During the band 's hiatus , Stefani embarked on a solo pop career in 2004 by releasing her debut studio album Love . Including her work with No Doubt , Stefani has sold more than 30 million albums worldwide . No Doubt . Since 1994 , the group has consisted of vocalist Gwen Stefani , bassist and keyboardist Tony Kanal , guitarist and keyboardist Tom Dumont , and drummer Adrian Young .