Gwen Stefani is back on "The Voice," joining Adam Levine, Blake Shelton and Alicia Keys in those signature red chairs for Season 12. Watch the foursome tell Access Hollywood's Liz Hernandez about their dynamic on set, and get put to the test with our "Who Knows Blake Better?" quiz! "The Voice" Season 12 premieres Feb. 27 at 8/7c on NBC. » SUBSCRIBE: bit.ly/AHSub » Visit Our Website: www.AccessHollywood.com/ Get More Access Hollywood: Facebook: www.facebook.com/AccessHollywood Twitter: twitter.com/accesshollywood Instagram: instagram.com/accesshollywood Snapchat: OfficialAccess About Access Hollywood: "Access Hollywood" is a nationally syndicated daily entertainment news show. "Access Hollywood" delivers the most comprehensive coverage of entertainment news and personalities on television, featuring in-depth celebrity interviews and behind-the-scenes accounts of the most important events in Hollywood. 'The Voice': Gwen Stefani On Her Season 12 Return | Access Hollywood youtu.be/v_LUUmY_iCE Access Hollywood www.youtube.com/user/AccessHollywood