The actor, 55, came out while playing on an electric guitar, but as he danced up the steps his pants fell around ... That’s what I didn’t bring!” During their sit-down, Fallon pulled up ...

Black's entrance and wardrobe malfunction were highlighted on The Tonight Show's Instagram page. The actor made his way from ...

The School of Rock actor stopped by the show's band and pretended to play his instrument enthusiastically. But, when he walked up to the comedian, his pants fell down, drawing laughter from the ...