As the demonically-charged Jennifer's Body chomps its way into American theaters this week, we did a 360-degree head spin, marked out a pentagram and decided to sacrifice ourselves at the altar of movies' freakiest female possessions. From the classic (Linda Blair in The Exorcist; Mia Farrow in Rosemary's Baby) to the obscure (English chiller Blood on Satan's Claw) and the outright absurd (Satan's Cheerleaders; Blair getting Repossessed), here are 6 of the Scariest, 6 of the Sexiest, and -- not to be forgotten -- 6 of the Silliest Beelzebabes on film.