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Cameron Diaz, Elizabeth Banks, Chris Rock Hit 'What to Expect' Red Carpet

LINCOLN CENTER — Cameron Diaz did not rely on the actor’s method, but she did go straight to the source for her role in “What to Expect When You’re Expecting.”

"Cameron asked a lot of questions when I first met her," explained Heidi Murkoff, who wrote the book the movie is based on, “about labor and delivery.  Her character has a pre-term labor and she wanted to know how that would go down. She wanted to keep it real."

Murkoff joined Diaz, Elizabeth Banks and other celebrities for a screening for the film at the Loews Lincoln Square Tuesday evening. The film, which opens on May 18, was screened to benefit Jessica Seinfeld’s Baby Buggy charity and sponsored by Redbook magazine.

Chris Rock, a father to two girls, admitted that his parenting includes some snafus. “I've lost kids — every parent loses their kids,” he said, adding, “they fall down flights of stairs.”

Rodrigo Santoro had nothing but rave reviews for his onscreen partner  Jennifer Lopez. “She's really pretty in real life,” he said, adding, “I had the chance to see her with her kids and she's as good a mother as she is an artist.”

He said he learned some lessons from Rock’s character. “I learned a whole lot about kids,” he said, “like don't drop your kid from the changing table, like Chris Rock's character does.”

Actress-turned-model Brooklyn Decker probably won’t be having little Andy Roddick babies anytime soon. “It was really fun to play a pregnant woman but it was even better to take the belly off at the end of the day,” Decker said. “I feel like it satiated any sort of craving I had for a child, for now."

And given her track record, that may be a good thing. “One time, I was babysitting and the baby jumped out of the crib and fell,” she shared. “I had to call the mom and tell her, and she said 'it’s fine, they do that all the time. No big deal'.”

Author Murkoff offered her own bit of advice. “I always say that teenagers and toddlers are pretty much the same creature except one’s taller than you and has the keys to the car. Other than that, they’ve got the same temper tantrums and power struggles, they don’t want to wear what you want them to wear, they don’t want to do what you want them to do they don’t want to go to bed when you want them to.”

She added, “Use the same strategies.”

Photos courtesy of PatrickMcMullan.com