Gwen Stefani is a singer-songwriter, fashion designer, and occasional actress. She started her career as the lead singer for the group No Doubt. The band was a big success and sold over 16 million CDs with singles like 'Don't Speak' and 'Just a Girl.' In 2004 Gwen decided to split from the band and go solo. Her first album called 'Love. Angel. Music. Baby' sold over seven million copies and her single 'Hollaback Girl' was a huge hit. Gwen went on to record a second solo album which was also popular and produced singles like 'Wind It Up' and 'The Sweep Escape.'