Gwen Stefani is an American singer, songwriter, and fashion designer, best known as the lead vocalist of the band No Doubt. She gained fame in the 1990s with hits like "Just a Girl" and "Don't Speak," which showcased her unique voice and style. Stefani later launched a successful solo career, producing popular songs such as "Hollaback Girl" and "The Sweet Escape." In addition to her music career, Stefani is recognized for her influence in the fashion industry. She founded the clothing line L.A.M.B. and has been involved in various fashion collaborations. Stefani's distinctive style often blends punk, glam, and pop elements, making her a prominent figure in both music and fashion.