When the "it" girls competing for prom queen at Shadyside High start to disappear, a gutsy outsider discovers she's in for one hell of a prom night. Starring: India Fowler, Suzanna Son, and Fina Strazza Directed by: Matt Palmer Written by: Matt Palmer, Donald McLeary, and R.L.Stine (book series) Check out the video above and find out how many pools of blood it received…