Gwen Stefani and Blake Shelton are hitting it off excellently as a couple but when it comes to being coaches on The Voice, it is every man for himself! At least, that's what Shelton says as he jokingly told Stefani to "stop dropping his name" when she told a contestant that she collaborated on a country song with Blake. In reality, the duo seem to be working quite nicely together on the show. "Him and Gwen definitely work together," Voice coach Alicia Keys recently told ET.