Jack Blackhas Bowser energy!

“I’m not going out there,” Black said toClarkson, who tracked down the actor, after finding him dressed as the villainous Bowser backstage. “Everybody said we’re going to get dressed in costumes, and I’m the only stupid guy that got dressed in a costume and I’m not going out there now.”

After the “Breakaway” singer, 40, told the actor that the other cast members, includingChris Pratt,Keegan-Michael KeyandCharlie Day, are “stupid — you look awesome,” she coaxed Black back to join them.

Weiss Eubanks/NBCUniversal

THE KELLY CLARKSON SHOW – Episode J109 – Pictured: (l-r) Jack Black, Kelly Clarkson

The Tenacious D rocker executed some trademark high kicks — to the audience’s delight — and then sat down with the other stars on stage.

“I think it was like a really funny trick they played on me, like we’re all gonna get dressed in character and then they didn’t and I can’t get it off now ‘cause like someone put super glue in there,” he said.

Black then turned to Key and said: “I am so mad at you!”

Black-as-Bowser is one of the many eagerly anticipated casting coups for the new movie, due out in April.

THE KELLY CLARKSON SHOW – Episode J109 – Pictured: Jack Black

While Pratt and Day star as Mario and Luigi, andKeyplays Toad, the movie also featuresAnya Taylor-Joyas Princess Peach,Seth Rogenas Donkey Kong,Fred Armisenas Cranky Kong,Kevin Michael Richardsonas Kamek andSebastian Maniscalcoas Spike.

When thesecond trailerfor the movie was released in November, some key plot points came to light — including that the princess will play a large role in fighting the villain. “Bowser is coming,” she says. “Together, we are going to stop that monster.”

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It’s also clear from that the story has high stakes. “There’s a huge universe out there,” Princess Peach tells Mario. “With a lot of galaxies. They’re all counting on us.”

The Super Mario Bros. Movieopens in theaters on April 7.

source: people.com