Not straying far from a character she knows how to play all too well, Hayden stars as the most popular girl in high school, who is also the object of the school nerd's affection. In the semi-nude scene, with her back facing the camera, she drops her towel in the locker room to impress the geeky suitor, played by Paul Rust, reports E! Online.
So how naked is she in this scene? "I was really naked," she told E! Online's Marc Malkin. "I had these little sticky petals on my boobs, but that was about it. My dad calls me such an exhibitionist. He always says, 'God, even when you were little, you were such an exhibitionist!'"
Click to see an eye-popping photo of actress Mary-Louise Parker posing nude with a live snake.
Still, she has no plans for a full frontal shot...for now. "I'm cool with my body, and I'm cool running around undressed and all that stuff, but there are just certain things that not everyone needs to know, that you need to keep somehow private and personal to you," she told E! Online. "But you never know, you never know. I could be 30 years old and just be like, 'Screw it--I want to take it all off. I better take a picture of this baby before it all goes.'"

