Which film, based on a non-fiction book, did Lindsey Lohan both act and provided songs for the soundtrack?
Lindsay Lohan discography:  Having appeared as an actress in several Disney motion pictures including "The Parent Trap" (1998) and "Freaky Friday" (2003), as well as other films, such as "Mean Girls" (2004), Lohan began recording songs for the soundtracks to her films. Mean Girls:  The movie is based in part on Rosalind Wiseman's non-fiction self-help book "Queen Bees and Wannabes", which describes female high school social cliques and the damaging effects they can have on girls.
i don't know