What season of The Voice did the lead vocalist of No Doubt appear on?
Jeffery Austin: Jeffery Austin McClelland, Jr. (born April 15, 1991), better known by his stage name Jeffery Austin, is an American pop musician and was a contestant on the ninth season of The Voice, turning a single chair and defaulting to be a member of Gwen Stefani's team. Gwen Stefani:  She is a co-founder and the lead vocalist of the band No Doubt that experienced major success after their breakthrough studio album "Tragic Kingdom" (1995) along with various successful singles, including "Just a Girl", "Don't Speak", "Hey Baby", and "It's My Life".
i don't know