Marion Cotillard Describes Sex Scenes With Brad Pitt in 'Allied,' Calls the Finished Product 'Beautiful'

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Marion Cotillard is more than happy to get real! The pregnant actress, 41, visited The Late Show on Wednesday where she talked about filming sex scenes with her co-star Brad Pitt in her new spy drama, Allied.

WATCH: Marion Cotillard Compares Her and Brad Pitt's 'Allied' to His Spy Film With Angelina Jolie, 'Mr. & Mrs. Smith'

“Let’s imagine, you’re with your wife, in bed or anywhere, here, and then all those people are watching. Yeah, cameras, like 50 people are watching. Do you still find it sexy?” she asked host Stephen Colbert.

After they laughed, Cotillard added, “But it’s a beautiful love scene, very beautiful.”

“There are multiple beautiful love scenes! Again, I’m just trying to sell tickets here,” Colbert added.

“I’m trying to help you!” Cotillard quipped.

But the Oscar winner isn't opposed to a little suffering for her craft or for her children. She opened up to Colbert about being pregnant with her first child, son Marcel.

“I wanted to eat things I didn’t like. I was very worried that my kid would be conditioned in this world anyway, but then he could have many choices even the things I don’t like,” she said. “So everything I didn’t like, I tried to feed myself with to give him more choices. It’s absolutely ridiculous, but I did it.”

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WATCH: EXCLUSIVE: Marion Cotillard on Meeting Brad Pitt While Filming 'Allied': 'He's Such a Good Man'

Cotillard has been showing off her bold maternity fashion while doing press for Allied, and she was spotted in an unusual, bright yellow sweatshirt dress and bright red shin-high boots while heading to The Late Show taping in NYC.

ET’s Cameron Mathison caught up with Cotillard at the Los Angeles junket for the film last week where she called her co-star, Pitt, “such a good man.”

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