The Girl: Super-popular and extremely wealthy, Kathryn has no qualms with exploiting her sexuality to get what she wants.

Apparently that makes her a bad girl, though we would argue that she's just resourceful.

The Badness: In a bet to win her step-brother's Jag, she thinks nothing of utterly destroying a good few peoples' lives.

She also keeps cocaine in a hollow crucifix around her neck. Sneaky devil.

So Bad She’s Good? She's white-hot and totally tempting. Bad, bad girl.