The 26-year-old insisted that she was more fascinated by 'innocent' roles.
"I'm attracted to roles that are more innocent," the Sun quoted Alba, as saying.
"I haven't done a sex sc*ne and I've never done nudity," she said.
The Fantastic Four: Rise of the Silver Surfer star also admitted that she's more than a bit clumsy.
"The other day I closed a door on my head. I know I usually play co-ordinated people, but I'm not one, she added.
