Blake Shelton and Gwen Stefani delivered a heart-melting performance of their country duet on The Voice, but what fans didn’t see was the adorable moment backstage when the couple rehearsed while gazing into each other’s eyes—ending with Blake sneaking a kiss on Gwen’s head. Shot live just an hour before airing, the duet was originally written by Blake to impress Gwen, making their emotional performance even more special. Let’s watch the video for the full story behind the love song!