25 Easy Bun Hairstyles for All Hair Lengths | Whether you have short hair, medium hair or long hair, a hair bun makes the perfect running late, second day hairstyle when you have to skip the shampoo. Whether you like a messy bun, double top knots, a bohemian braided bun or a chic low bun, we've curated the best step-by-step hair tutorials to teach you how to transform dirty, greasy hair into a stylish updo in mere minutes! These styles are perfect for work, weddings and everything in between.