WEBGwen Renée Stefani (/ s t ə ˈ f ɑː n i / stə-FAH-nee; born October 3, 1969) is an American singer and songwriter. She is a co-founder, lead vocalist, and the primary songwriter of the band No Doubt , whose singles include " Just a Girl ", " Spiderwebs ", and " Don't Speak ", from their 1995 breakthrough studio album Tragic ...