Problems arise at the preem of J-Lo's latest

HOLLYWOOD — New Line Cinema sees a potential B.O. monster in “Monster-in-Law.”

At Friday’s preem, prexy Toby Emmerich said he’s hoping “Monster” is “our ‘Meet the Fockers’ — a four quadrant comedy.”

One exec called the pic, “our big counter-programming film. It’s like ‘Notebook’ last year — it opens to a certain number and plays through the summer.”

Co-CEO Michael Lynne thought the film “has sequel potential — the relationship doesn’t end with the wedding.”

To celebrate, the studio threw a Hammer Museum after-party though much of the pre- and post-screening action was outside on the street.

It seems star Jennifer Lopez had featured furs in her Sweetface fashion collection. This did not go over well with animal-rights advocates who were rumored to have targeted the thesp for a red paint attack. (Imagine how this added to security.)

At both the screening and the after-party, dozens of People for the Ethical Treatment of Animals activists waved signs yelled and basically demanded Jenny’s head on the block.

The best moment in the chanting came when the PETA protesters pelted Lopez with the charming ditty: “J Lo, fur ‘ho.”

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