Jack Black let rip in NZ 

Jack Black says he let loose one time while making King Kong.

"There was a lost weekend where I had a little time off," Black says, "and I did some ecstasy and I went on a kind of crazy rampage and I started smoking. Me and another member of the cast, who will remain nameless, just running around, dancing around, drinking and ecstasizing, smoking like a chimney."

The 36-year-old actor has since quit smoking and is on a strict diet.