Blake Shelton said following Gwen Stefani was the hardest job he's ever had at the WM Phoenix Open Concert in the Coliseum.

Blake Shelton and Gwen Stefani co-headlined a massive ... s “All My Exes Live in Texas” and Alabama’s “Mountain Music.” Midway through the set, in the midst of a self-effacing monologue ...

"Let's play some country music," Shelton shouted at the song's conclusion. "Listen, my name is Blake Shelton," he continued as his backing band slipped into "I'll Name the Dogs" behind him.