Natalie Portman Says She'd Never 'Show My Boobs' for a Role: 'I Don't Want My Kids to See Pictures Online'

"Is that really prude?" the Oscar winner said

Natalie Portman is revealing where she draws the line when taking on acting roles.

The May December actress participated in a round of "Pop Quiz" on The Drew Barrymore Show, where she responded, "That's a good one" after reading a card that asked what is "one thing you'd never do for a role."

"Um ... show my boobs? Is that really prude?" said Portman, 42, to which host Drew Barrymore responded supportively, "No, it's not!"

"I’m just always like, ‘I don’t want my kids to see pictures online,' " continued the Oscar winner, who is mom to son Aleph, 12, and daughter Amalia, 6, with husband Benjamin Millepied.

"I didn’t know there’d be an 'online' when I did it. I was like, ‘Good luck finding that magazine under some weird guy’s bed in some random house!' " joked Barrymore, 48. "But no judgement, darlings."

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Portman also recalled the "wildest thing that’s ever happened on a night out" — and it involved Barrymore!

"Well, I have one with you," the Closer actress said. "My friend Rachel, who was with us in Paris, reminded me that we had a night out when you cut a guy’s tie off with scissors. Do you remember that?"

"I miss that person so much," Barrymore said as the two women laughed over the memory, with Portman adding, "I know! She was fun. You’re still fun, though."

"I'm still fun. And like, where did we get the scissors?" the Wedding Singer actress added, joking, "I love that I cut a guy's tie off. So your wildest night out was something I did, okay."

Related: Natalie Portman Recreates Her Entire Career in 7 Minutes on 'Late Late Show with James Corden' 

In her new film May December, Portman stars alongside Julianne Moore, and recently told PEOPLE that working with her was a dream come true.

"She’s been one of my favorite actresses. We work in a very similar way. We love our kids in a similar way. It was just very fun right away," she said of Moore, 63.

Portman also called working with Moore "absolutely a highlight of my life" in an interview with Netflix Queue, adding, "I’ve admired Julie for so long, and particularly her work with [director] Todd [Haynes]."

In the new film inspired by the Mary Kay Letourneau affair, Portman plays an actress researching a part in a film portraying a woman (Moore) who began a scandalous romance with a 13-year-old boy (played by Charles Melton as an adult) whom she later marries.

May December is now on Netflix.

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