"I am not an actor, but that was the greatest performance I gave in my life," Shelton jokingly admitted. "To turn around and not react was the hardest thing I ever did."
Clarkson went on to note that she has never been "that thrown" in her five seasons as coach. "For a billion dollars, I thought you were a female that sang lower and in your 20s," she revealed, before telling Watkins that he has a "really cool vibe."
Shelton accepted his victory by slamming the other coaches for making "the worst move of your entire Voice careers" by not turning around.
Watch it all go down below.