News Blake Shelton and Gwen Stefani Serve Up Some Sweet PDA on 'The Voice' -- See The Video! By Elizabeth VanMetre 11:48 AM PST, November 17, 2015 Embed CodeRestart Now playing Blake Shelton and Gwen Stefani appear to be in love and don’t care who knows it!The pair had no problem serving up a little PDA before the live taping of The Voice Monday night. Gwen Stefani Is Pretty in Pink and All Smiles Amid Gavin Rossdale Alleged Nanny Affair ReportsWhen the coaches were called on stage, Stefani ran straight to Shelton and gave him a big hug. The country singer even picked up the No Doubt frontwoman and swung her around in a circle.So sweet!But the flirting didn’t stop after the cameras began rolling.During the show, contestant Amy Vachal sang an acoustic version of “Hotline Bling,” the same song Shelton and Stefani recently performed on The Tonight Show.“I don’t think there’s ever been a more elegant and classy performance of a song about a booty call in the history of music,” Shelton said. “Gwen sang it to me on the Tonight Show one night, so…” Gwen Stefani Bonds With Kourtney Kardashian, as Gavin Rossdale Steps Out Still Wearing His Wedding RingThe “Hollaback Girl” singer appeared to blush and look a bit flustered after the flirty comment. To see the moment for yourself, watch the video below.