When Lawrence first read the script to "Mother!" in a New York City hotel, she found it so upsetting that she threw the script across her room, calling the writer and director Darren Aronofsky "crazy."
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But she later found love with him after making his movie.
Imagine a film so intense that watching the finished product even scared the star, who plays the lead.
"I was really shaken, and I thought 'We've gone too far. This is too far. It's too much,'" Lawrence said.
In "Mother!" Lawrence has the title role of the wife of a poet with a bad case of writer's block known only as "him" and played by Javier Bardem.
"'Him' being this selfish, strong individual kind of character who destroys more than creates," Bardem said.
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For those used to Lawrence playing strong women such as Katniss Everdeen in "The Hunger Games" series, her passive role here amid so much mayhem will come as a surprise. She says the role was a departure with a high degree of difficulty.
"There was one scene I hyperventilated too long, and I tore my diaphragm, and I think I popped a chest rib out," she said. "So yeah, I lost total control of myself."
One-on-One with Jennifer Lawrence
There's talk of another Oscar nomination for Lawrence, and she is now in a relationship with Arnofsky, a Brooklyn native.
"When you do your work with truth and honesty, I don't think there's anything to worry about," he said.
"Mother!" opens in theaters September 15.