Blake Shelton Was Already In The Middle Of His VOA Country Music Festival Set When Gwen Stefani Unexpectedly Walked Onto The Stage — But The Sweet Moment That Followed Turned One Surprise Duet Into Two.
Gwen Stefani Joins Blake Shelton Onstage for Two Fan-Favorite Duets Blake Shelton had an unexpected special guest during his set at the VOA Country Music Festival when…