No Doubt is an American rock band formed in 1986 in Anaheim, California. The group gained popularity in the 1990s with their unique blend of ska, punk, and pop music. Their breakthrough album, Tragic Kingdom, released in 1995, featured hit singles like "Just a Girl" and "Don't Speak," which helped define the sound of the era. The band's lineup includes lead vocalist Gwen Stefani, guitarist Tom Dumont, bassist Tony Kanal, and drummer Adrian Young. Over the years, No Doubt has received numerous awards, including Grammy Awards, and they are known for their energetic live performances and distinctive style.