Gwen Stefani is an American pop rock singer and is the lead vocalist for No Doubt. In 2004, Stefani recorded her first solo album Love. Angel. Music. Baby. which was inspired by music of the 1980s and was a success with sales of over seven million copies. The album's third single "Hollaback Girl" was the first US digital download to sell one million copies.
In 2006, Stefani's second solo album, The Sweet Escape, which includes her hits "Wind It Up", "4 in the Morning" and her highest-selling single "The Sweet Escape". Including her work with No Doubt, Stefani has sold more than forty million albums worldwide.She won the World's Best-Selling New Female Artist at the World Music Awards 2005.
In 2012, she rejoined No Doubt to released their sixth studio album.