If it happened so, that you have black (colored or from the birth) and long hair, then you have plenty of various choices of how to style it. That's why I'd like to share with you some the brightest options that might look best on you. Let's start from wavy long black hair which can be done in quite creative way, as you can add front bangs to it. I think you already understood, that that wavy long hair with asymmetrical front bangs will look outstanding, amazing combination, right?
There is always a chance to try full length loose curls, which add girlish appearance to your overall appearance. To make it look even better then I advise you to use some hair fixing sprays to hold your curls and after blow dry for a cool and messy look.
Why don't you try this great sleek and straight black long hair which looks extra elegant, or you can always go for back tied hair with messy curls, which is simple and elegant at the same time. I personally like that big loose curls hairstyle which looks sophisticated and oh-so-chic.