Whether someone wants to dress up as a Disney princess, an animal, a mystical creature, or a comic book character, a good costume is all in the details. And some of the best details come from the beauty look. A hairstyle can transform a costume and make it more authentic. For example, would Maleficent be as convincing without the horns? Would she still be Princess Leia without her buns? Sometimes it is all about the hair! And for those who are not professionals at doing cool hairstyles (myself included) there are tons of tutorials available on YouTube that show step-by-step how to create some awesome Halloween hair looks. Here are 20 extravagant Halloween hairstyles that are totally worth giving a try this year! Prepare to buy a lot of hairspray and bobby pins and take a lot of selfies!