Mr. Big, Irish American actor Chris Noth, had to undergo radical boot camp surgery to shed 20 pounds for his bedroom scenes in "Sex and the City 2."
Producers told him a body double would be needed if he didn't drop the weight quickly, according to the Daily Mail.
Noth went to a boot camp in Brazil for several weeks to lose the extra poundage -- and succeeded just in time.
"Luckily Chris’s weight loss was sufficient and a stand-in wasn’t required," says an insider.
"He did really well to lose it and is proud that his cheeks will now be seen by millions of 'Sex and the City' fans."
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