Prom Night (2008)

Donna's senior prom is supposed to be the best night of her life. After surviving a horrible tragedy, she has finally moved on and is enjoying her last year of high school. Surrounded by her best friends, she should be safe from the horrors of her past. But when the night turns deadly, there is only one person who could be responsible...a man she thought was gone forever. Now, Donna and her friends must find a way to escape the sadistic rampage of an obsessed killer, and survive a night "to die for".

Official website: http://www.sonypictures.com/movies/promnight/