Single White Female is a 1992 Columbia Pictures Release starring Bridget Fonda and Jennifer Jason Leigh which portrays the events after a young woman takes in a roommate who exhibits some of the symptoms of Borderline Personality Disorder (BPD) and Dependent Personality Disorder (DPD) including mirroring, impulsivity and fear of abandonment.
Allie Jones (Bridget Fonda) runs a newspaper ad for a room mate to replace her boyfriend who has moved out" "Wanted, Single White Female. She receives a response from Hedra Carlson (Jennifer Jason Leigh) who moves in and initially looks to be the ideal roommate.
However, as time goes by, Allie begins to notice all is not as it should be. Hedra begins to imitate Allie in the way she looks, dresses and behaves, imitating her haircut, wearing her clothes and ultimately seducing Allie's boyfriend.
The character development portions of the film, convincingly portray some of the characteristics of Borderline Personality Disorder (BPD) and Dependent Personality Disorder (DPD) - in particular mirroring, impulsivity and fear of abandonment. However, as with most popular movies, in order to appeal to a broad audience, the characters revert to melodramatic stereotypes as the movie progresses.
You can watch the movie trailer below :
"Single White Female", 1992, Columbia Pictures