Actress Cameron Diaz has no qualms about baring it all in front of the camera in a movie "as long as it's a part of the story".

The 42-year-old star expressed her views on nudity during an interview with Marie Claire magazine, reports dailymail.co.uk.

The "Sex Tape" actress has flaunted her toned physique in sexy outfits and swimsuits, but has never appeared completely nude on the screen.

"People have seen my butt. I've shown the top of my butt, the bottom of my butt," the actress said.

"I'm not opposed to doing nudity, as long as it's part of the story. I'll do whatever has to get done if it's the right thing," the actress added.