What to get my friend who's turning 13 today.!!!!!?

Hi, My name is jess. My friends birthday party is today and I have no idea what to get her. Let me describe her for you: Gothic, Tomboy. Hates Love. Has a Boyfriends tho. Usually wears ripped jeans. Hoodie. Umm.. Yeh thats pretty much it. Any ideas what ti get her.?? And it has to be a maximum of 15-20$. K thanks. SERIOUS ANSWERS PLEASE.