Charlize Theron and Michael Fassbender (Photo : Reuters/Reuters)

"Prometheus" co-stars Charlize Theron and Michael Fassbender get wildly sensual in the August issue of W magazine. Fashion meets dominatrix as the pair pose in erotic and S&M positions wearing leather, chains, and eveningwear. Shot by Mario Sorrenti, the spread resembles a scene from "50 Shades of Grey." In one shot Fassbender hangs upside-down while the clingy-dress clad Theron grips onto his lower body. Another shot is of Theron wearing nothing but leather lingerie and fishnets with her hand slipping down the nether region of the shirtless Fassbender. Sizzling!

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So these stars seem to be super comfortable with steamy love scenes, right? Wrong. In the interview Fassbender, 35, says he rather do dying scenes than film a sex scene, although one of his most famous roles was in 2011 sex-addiction drama "Shame". "I don't know. Sex scenes sound like more fun than they are," he told the magazine. "Death scenes are easier, really. Maybe because I've died so many times. I've had a lot of practice. In my movies, I'm often naked or dying."

Theron on the other hand is perfectly fine with sex scenes; she said she doesn't "have issues getting naked" - she followed up that statement with, "That sounds very slutty." It all just depends on who she's working with. She admits that Fassbender did not make her comfortable in their scene. He took the jokingly defended himself by saying, "I was a robot!"

Watch the video below and check out the steamy shots here.