Blake Shelton & Gwen Stefani bring their Christmas fun to this one-hour special, as they share their family traditions, memories, music, anecdotes and more. They take us through some of their most memorable Christmas songs and insights about each song they love. Gwen Stefani Discusses The First Time She Watched Blake Shelton On TV…. Gwen Stefani: So I was on The Voice. I didn’t know Blake. I didn’t even know that he existed as a human being, let alone an artist, and when I got on the show, I was Googling him and watching old reruns of The Voice to try to figure out why people liked him so much.…