Mommies; I'm going out to a bar that has dancing. So kind of a night club. I'm wondering what to…

Mommies; I'm going out to a bar that has dancing. So kind of a night club. I'm wondering what to wear? It's my first time out to a place like this ever, and I don't want to wear jeans so I'm comfortable. And it's a little chilly hear still, please help!