Nick Jonas started his first season as a judge on 'The Voice.' He took Gwen Stefani's chair and her husband Blake Shelton was not happy about it. Shelton is also a coach on the show and has been since the first season it aired. Initially, Shelton was not cool with Jonas stealing his wife's chair. However, according to Showbiz Cheat Sheet, Shelton has come around and the two are actually getting along quite well. Season 18 premiered Monday February 24th.