Variety brings news of the next big project for sisters Hilary and Haylie Duff. "Material Girls," which is apparently based on the Madonna song of the same name, is about "a pair of celebutante cosmetics heiresses who lose their fortune in a corporate scandal and launch an investigation to expose the culprit." The original screenplay first came from John Quaintance (TV's "Good Morning Miami", with rewrites contributed by Susan Jansen ("The Lizzie McGuire Movie" and newcomers Amy Rardin and Jessica O'Toole. Behind the camera will be veteran comedy director Martha Coolidge ("Valley Girl," "Real Genius".