Gwen Stefani and Blake Shelton Snap the Ultimate Selfie With Adam Levine and Behati Prinsloo

A photo posted by Gwen Stefani (@gwenstefani) on May 11, 2016 at 5:48pm PDT Talk about relationship goals! On Wednesday, Gwen Stefani took to Instagram and uploaded a cute couples selfie featuring boyfriend Blake Shelton, Adam Levine, and his wife, Behati Prinsloo. Along with the photo, which was most likely taken on the set The Voice, Gwen simply wrote, "@behatiprinsloo @adamlevine @blakeshelton Gx .." Earlier this week, Gwen and Blake took The Voice stage together and performed their duet, "Go...