1Jennifer (Megan Fox)

Jennifer's Body (2009)

The Girl: Jennifer hasn't always been a bad girl. And it's not her fault. It's that pesky demon that's taken over her body.

The Badness: Jennifer is a man-eater. Literally.

Unable to digest normal food, she realises that the only thing that will satiate her diabolic appetite is human-flesh.

We're not sure we'd mind all that much if Megan Fox's face was the last we ever saw.

So Bad She’s Good? Oh boy, yes. You'll want to leave the door wide open and cover yourself in ketchup.