Gwen Stefani is an American singer-songwriter and fashion designer. She first gained fame as the lead vocalist of the ska band No Doubt, which formed in 1986. The band achieved great success in the 1990s and early 2000s, and Stefani later embarked on a successful solo career, releasing hits like 'Hollaback Girl' and 'The Sweet Escape'. She is known for her distinctive voice and eclectic style. Trivia: Stefani has won multiple Grammy Awards and was also a coach on the television show 'The Voice'.