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 played the 16th hole at the WM Phoenix Open Concert in the Coliseum. Here's the setlist, from ...

Blake Shelton fans ... life is trying to follow Gwen Stefani in concert. It is impossible. Who booked this (expletive)? It's weird." Stefani doesn't just have songs, Shelton said.