LEONARDO DiFATTIO

TITANIC GUT!

Filming "Gangs of New York" in Rome, director Martin Scorsese freaked as dailies showed Leonardo DiCaprio puffing up like a hot calzone! When Leo had porked on a hefty 25 pounds, Scorsese put his foot down! He ordered a strict no pasta, no booze diet -- and DiFattio finally lost a gang of weight!