Charlize Theron on Her Steamy 'Atomic Blonde' Sex Scene With Sofia Boutella: 'Being Naked Is Nothing'

"Seducing her? It's very easy, she's gorgeous!"

The trailer for Charlize Theron's latest film, Atomic Blonde, dropped on Friday, and not surprisingly, made headlines for a racy love scene between the 41-year-old actress and her co-star, 34-year-old Sofia Boutella.

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spoke to Theron at SXSW on Sunday, where she admitted that seducing Boutella wasn't exactly a hard task! Theron plays Lorraine Broughton, an undercover MI6 agent who is sent to Berlin during the Cold War, and she gets involved with Boutella -- who plays a French spy -- during her mission to investigate the murder of a fellow agent/love interest and recover a missing list of double agents.

"Seducing her? It's very easy, she's gorgeous!" Theron said. "She was just great. She was the only actress that we looked at. She came over, she hung out with me and [director] Dave and there was something about her that was so genuinely innocent and yet incredibly strong, that she was really perfect for the film."

WATCH: Charlize Theron Seduces Sofia Boutella in NSFW 'Atomic Blonde' Trailer

"I can't imagine anyone else doing it," she continued. "She's a dancer, I'm a dancer. So, we're a little bit like -- you know dancers are like, 'What? Being naked is nothing.' We just wanted it to be real and cool."

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Theron also talked about being drawn to playing strong female characters in her films, her latest spy thriller being no exception.

"I think they're all very vulnerable too," she mused. "I think great strength comes from women who can be vulnerable and look at their weaknesses and find their strengths from that. I think you almost have to be incredibly vulnerable and weak in order to find strength, to survive something. So, I think that's what I love so much about these women."

WATCH: Charlize Theron Jokes That She's 'Very Fat Right Now' in Loose-Fitting Lace Dress

Watch the action-packed Atomic Blonde trailer below. The film hits theaters on July 28.