Psycho Sleepover (2008)

Don't Forget To Bring Your Body Bag... I Mean... UHH.... Sleeping Bag

After accidentally murdering her boyfriend, Debbie Dicky moves to a new town and meets three girls who invite her to a sleepover. The very same night there is a breakout at the local insane asylum where forty serial killers escape and head over to crash the party. However, the girls at the slumber party might not be as helpless as the killers think.