Jack Black's Pants Fall Down in Hilarious 'Tonight Show' Mishap: 'I Didn't Bring a Belt!' House cancels rest of votes for week after GOP floor rebellion Rescued NASA astronauts deliver message to ...

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 ...