Kristen Stewart, Kirsten Dunst take a "Road" trip

(CBS) Kristen Stewart has left her "Twilight" days behind for life "On The Road."

It's a provocative turn for the 22-year-old actress, who is frequently seen onscreen topless and has several sex scenes, sometimes with multiple partners.

Stewart and her "On The Road" co-star Kirsten Dunst spoke to at a special New York screening of the film, which is based on Jack Kerouac's classic 1957 novel about the Beat Generation.

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Story: Kristen Stewart 'creeped out' by '50 Shades' Do you think your fans are going to be surprised by your performance in "On The Road?"

KRISTEN STEWART: Yeah, it's definitely different than "Twilight." I never do anything with any intention, expectation or perception of what people are going to think. It's a pretty personal experience. That's how I was drawn to "Twilight." That's how I was drawn to this. In regards to the Beats, why do you think they're so special? What's so unique about them?

STEWART: I think they're the type of people, especially then, who were able to find different limits and different limitations in life. They found other people who were going to push them and encourage them. They weren't going to waste one second. They were not going to let life go by and not notice every single detail and not take anything for granted. With the Beat Generation, so much focus gets put on the men. But there were women involved as well.

KIRSTEN DUNST: Yes, but in the book "On the Road," women aren't as prevalent as they are in the film. You need the emotional pull between everyone to make you feel for the male characters more. So, it was important to have those roles beefed up for the film. Had you been a fan of the book before coming onto this project?

DUNST: Later in life, I appreciated it more. But when I first read it, I couldn't really relate to everything that was going on. I read it because a guy who I had a crush on at the time, it was his favorite book. So that's what introduced me to "On The Road." I was more Sylvia Plath...I liked the girl stuff more.

"On The Road" opens in New York and Los Angeles on Friday.

Check out our footage with Dunst and Stewart from the "On The Road" red carpet by clicking on the video at the top of this story.

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    Ken Lombardi is an entertainment reporter for CBS News. He has interviewed over 300 celebrities, including Clint Eastwood, Oprah Winfrey and Tom Hanks.