As far as hair goes, the possibilities are endless. Flower crowns and glitter are both a given, but those aren't your only options. You can get creative with braids or wigs , and if you're thinking about playing with rainbow hair color , there's no better time than before hitting a music festival this summer. There are also other things to consider when picking out your hairstyle, like longevity. Will it last through a day of dancing in the heat?