Jack Black's Pants Fall Down in Hilarious 'Tonight Show' Mishap: 'I Didn't Bring a Belt!' Comedians react to Trump’s nickname ...

As he ran down through the crowd and onto the stage, he wound up skipping over to Fallon himself. But, as Black made it to the host for a hug, the actor’s pants quite literally dropped of their ...

However, Black's entrance ended with his pants falling off his waist as he skipped ... Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what ...

Black arrived fully clothed in a colorful button-down and black pants as he shredded a Minecraft guitar while walking through the audience and to the Tonight Show stage to promote A Minecraft ...

But, when he walked up to the comedian, his pants fell down, drawing laughter from the audience. FILE PHOTO: Cast member Jack Black attends the world premiere of ''A Minecraft Movie'', in London ...

The "Star Wars" actor's pants dropped midway through ... awards dinner later on," the insider shared. "People couldn't work out how they just fell down when they had been perfectly fine earlier ...