It looks like Blake Shelton and Gwen Stefani are on the defensive here. It looks like Blake Shelton and Gwen Stefani are on the defensive here. Rumor has it that the couple is worried about the backlash they've been getting in the media lately, as the country star has been forced to deny reports that he's an alcoholic while Gwen is insisting that she's not the one to blame when it comes to her failed marriage to ex-husband Gavin Rossdale.