Gwen Renée is an American recording artist and fashion designer. Stefani serves as lead vocalist for the rock band No Doubt. Formed with influences ranging from punk rock to new wave music, their third wave ska oriented third studio album Tragic Kingdom (1995) propelled them to stardom, selling 16 million copies worldwide. It spawned the singles "Just a Girl", "Spiderwebs", and "Don't Speak". The band's popularity went into decline with its fourth album, Return of Saturn (2000), but Rock Steady (2001) focused on dancehall production traits, and generally received positive reviews.

Stefani recorded her first solo album Love. Angel. Music. Baby. in 2004. Stefani's second solo album The Sweet Escape (2006) yielded "Wind It Up", a moderate worldwide success, and "The Sweet Escape". Including her work with No Doubt, Stefani has sold more than 30 million albums worldwide. She won the World's Best-Selling New Female Artist at the World Music Awards 2005.

Stefani is known as a fashion trendsetter. In 2003, she debuted her clothing line L.A.M.B. and expanded her collection with the 2005 Harajuku Lovers line, drawing inspiration from Japanese culture and fashion. Stefani performs and makes public appearances with four back-up dancers known as the Harajuku Girls. She married British grunge musician Gavin Rossdale in 2002 and they have two sons: Kingston James McGregor Rossdale, who was born May 26, 2006, and Zuma Nesta Rock Rossdale, who was born August 21, 2008.

Born October 3, 1969, her primary personality traits are represented by the Chinese Zodiac elemental animal sign, the Earth Rooster. The Earth Rooster is much less flamboyant than the rest of the species, but that is more than made up for by their exceptional practicality, reliability and attention to detail. She is a builder who builds to last. She leads by example and often bury herself in her work. As with most Roosters, she can be a biting critic. And, with her keen powers of observation and organized methodology, she will find lots to criticize.