Mary-Kate Olsen wants make a movie about Kate Moss and play her idol on the big screen.

A friend is quoted by Teen Hollywood as saying, "Mary-Kate absolutely adores Kate Moss. She was so worried about her when she went into rehab and she even wrote her a really nice letter offering her support and friendship.

"Mary-Kate thinks that she would be able to bring the right edginess and depth to the role. She sees Kate as a survivor, just as she is herself."