The movie poster uses various design elements to convey that the film is a horror/thriller. These include a screaming female figure holding a doll, dark color palette, mention of famous horror directors, a menacing title font, and a distressed filter over the image to indicate violence. It aims to attract viewers seeking a true horror experience by intriguing them about the plot without revealing too much, while also relating to a target demographic of teens through imagery of a prom. The poster successfully employs typical horror conventions to draw attention and communicate the genre.