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Blake Shelton has won over Gwen Stefani’s young sons.

The No Doubt front woman and coach on The Voice tells Extra! sons Kingston, 10, Zuma, 8, and Apollo, 3, enjoy spending time with her country beau.

Related: Gwen Stefani Gives Tour of Blake Shelton's Trailer at The Voice

“They’re just into him,” Gwen says of her sons’ love for Blake, before adding, “Who isn’t?”

The mom of three recently took to Twitter to share a photo of her sons’ matching temporary tattoos, which mimic Blake’s famous forearm ink of barbed wire and deer tracks. 

The couple and the trio of boys spent Easter at Gwen’s home in Hollywood, and she describes the time as “a blast.”

Related: Jimmy Fallon Turns Blake Shelton Song Into Gwen Stefani Parody

“We always have fun together,” she says.

Look for Blake and Gwen as well as key advisor Shania Twain when The Voice’s final 12 perform live Monday and Tuesday (4/24 and 4/25) on NBC.