I agree with Zararina, that it hugely depend on your dress. Is it simple and elegant? Or more extravagant and lavish? With a more simple dress, you can have a more 'out there' hairstyle but with a 'busier' dress, it would be best to keep your hairstyle simple and elegant - for balance.
Also, check out what is trending online...and ask yourself if you want to fit in or stand out? Ultimately though, I would think...go with what you know suits you and makes you look GOOD. (-: Enjoy it most importantly, the memories will last forever....~