It's a good wedding day if your gown fits you like a glove. It's an even better day if the sky is cloudless for miles. But the absolute best wedding scenario is the one where your hair is flawless. With all the choices out there, though, searching for that perfect hairstyle can be harder than it was getting your man! We enlisted Nelson Vercher, celebrity stylist who has graced the pages of top magazines and worked runway styles from big fashion houses (think Valentino and Calvin Klein) to explain how to choose a fabulous big day 'do, based on four categories: hair type, face shape, veil length and climate.