Hmm. If you're going for looks, all of them look cute but I like number one the best. But if I was you, I'd wear the most comfortable one.
Generally when I go, I wear skinny jeans, a HHN shirt (I used to wear a Vault shirt, haven't decided if I'll continue to do so), a pair of comfortable black converse-type shoes, and my signature headband with the bow on it. I dress more for comfort than for looks for event nights, simply because I know I'll not only be out for a long evening/night, but I'll also be running around a lot (yeah, I'm an easy scare... ^^"). Just my two cents, though.