Credit: Dimitrios Kambouris/

She's known for heating up the red carpet in sexy plunging looks with racy thigh-high slits, but Megan Fox pulled a style 180 Monday night.

The star arrived at the New York City screening of her latest flick Friends With Kids in a surprisingly demure Elie Saab design and nude YSL Trib Too pumps.

"I have a stylist. She says, 'Wear that.' I say, 'OK.' The only thing that I pick are the shoes. If they're uncomfortable, I say, 'no,'" the 25-year-old actress told Us Weekly.

One thing that is causing Fox immense pain these days: the process of removing the large Marilyn Monroe tattoo on her forearm. “It hurts really bad,” she recently told Jay Leno.

Tell Us: What do you think of Megan's girlie dress?