Kelly Clarkson performs on ‘Late Show with David Letterman’ (video)

kelly-klarkson-david-letterman

Kelly Clarkson dropped by the Ed Sullivan Theater in New York City on Monday (July 13) and sang “Already Gone,” her latest single off her fourth studio album All I Ever Wanted.

Other guests on the show last night include Jonah Hill, Tom Arnold, Tommy Johnagin and Gar Ryness (better known as Batting Stance Guy, an American sports entertainer and YouTube phenomenon).

WATCH: