27 DIY Holiday Party Hairstyles for Every Hair Length | From office parties, to get togethers with friends, to family celebrations, and New Year's extravaganzas, there is a lot to celebrate and you need simple and easy hairstyles to take you from day to night. Whether you have short, medium length, or long hair with or without bangs, we have an updo for you! From half up looks, to braided styles, to chic hair buns, and everything in between, we have a festive holiday hairstyle for you!