BILLIE JOE ARMSTRONG JOINS "THE VOICE"
LOS ANGELES (AP) -- Green Day singer Billie Joe Armstrong is joining Team Christina. Armstrong will be a mentor on Christina Aguilera's team on the upcoming season of "The Voice." Armstrong says he's a fan of the show and working with Aguilera is a lot of fun. He started taping Wednesday. Mary J. Blige is a mentor for Adam Levine's team and Michael Buble' (boo-BLAY') for Blake Shelton's team. A mentor for Cee Lo Green's team has not yet been announced.