'Super Mario Bros.' Cast Pranks Jack Black Into Wearing Bowser Costume On Kelly Clarkson Show

"I'm the only stupid guy that got dressed in a costume..." Jack Black makes an epic entrance on the show dressed in a hilarious Bowser onesie, but he's mad that his "Super Mario Bros. Movie" co-stars didn't join him in the fun. Tune in today for more with the stars of "The Super Mario Bros. Movie" — Chris Pratt, Keegan-Michael Key, Jack Black and Charlie Day.

#KellyClarksonShow #JackBlack #ChrisPratt #CharlieDay #KeeganMichaelKey

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The Kelly Clarkson Show is the uplifting daytime destination for humor and connection featuring Emmy-winning talk show, Grammy-winning artist and America’s original idol, Kelly Clarkson.