Watch Out, Blake—Gwen's Got Celine Dion in Her Corner This Season


Credit: Lloyd Bishop/NBC

With her return to The Voice's 12th season, Gwen Stefani is more than ready to face off against boyfriend and fellow judge, Blake Shelton.

On Tuesday evening, the singer made an appearance on Late Night where she warned host Seth Meyers that her country crooner beau was going to have some intense competition in the upcoming season of the hit show.

"I love Blake! He is the most incredible guy. Everybody loves Blake and that's the thing, there's no way around it, he's just a sparkly, happy amazing person," Stefani said, adding " he is in trouble this season. I'm about ready to get on him."

Joking, "He's been on the couch a few nights so far," the former No Doubt frontwoman said that while things are already getting a little heated between the lovebirds, she's "the biggest Blake Shelton fan ever now."

That being said, the 47-year-old is determined to win with the help of her secret weapon--legendary singer Celine Dion, who will be mentoring Stefani during this season.

The "Hollaback Girl" hitmaker had high words of praise for Dion, gushing, "She is like, the ultimate person that you would want to be on there. She is so unique.... Every song she puts out is a world song, she speaks to the world and that's a whole other level , 'Oh I made it as a pop star in America.'"

Look out, Blake!

RELATED: Lovebirds Gwen Stefani and Blake Shelton Surprise-Sang Together in L.A.

Watch the whole interview above to hear Stefani talk about what it was like writing music and performing with Shelton.