Story highlights Dion will serve on Stefani's team

The pair appeared together on 'Today'

(CNN) #TeamGwen just got some serious star power on "The Voice."

It was announced Friday that super songstress Celine Dion is coming on board for season 12 as a mentor on Gwen Stefani's team.

"Very excited to join @gwenstefani on @NBCTheVoice as #TeamGwen's advisor for Battles! #TheVoice -Céline," Dion tweeted along with a photo of her and Stefani.

The pair also appeared on "Today" together, singing each others praises.

"Everybody is going to be so mad -- the other coaches -- that I got you," Stefani said. "Yes! So excited."

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