Princess Diana's life is set to be made into a movie, and producer Stephen Evans is lining up a Hollywood actress to play the late British royal.

Diana's film will be based on her bodyguard Ken Wharfe's memoirs from his book "Diana: Closely Guarded Secret".

The Princess of Wales died in a car crash in August 1997.

"We are dealing with about 11 years of her life from just after she had Harry, when he's aged about two, and it's partly from the point of view of her protection bodyguard," contactmusic.com quoted Evans as saying.

"The emphasis on this really is authenticity and to discover what she went through. Unless you are a Diana freak, quite a lot of it will be unknown to the audience. The movie's not saying she is unbelievably wonderful or she's a pain in the neck, the audience can make their own view," he added.