VIDEO : Blake Shelton Jokes About Tying The Knot With Gwen Stefani

?Extra?s? Terri Seymour chatted with "The Voice" coach Blake Shelton and asked him about his girlfriend Gwen Stefani?s recent marriage comments on ?The Ellen DeGeneres Show.? While chatting with Ellen DeGeneres, Stefani admitted she does think about possibly marrying Blake ?all the time.? When asked when they are going to tie the knot, Blake joked, ?Well, I don't know if you guys read the magazines, but we've been married for a while. It's been on the cover of all the credible magazines!?