The messy bun is one of the biggest bombshells in beauty because while the style looks effortless and simple, achieving the perfect messy bun is not so easy and it often requires a few tries to get it just right. A successful messy bun is just the right amount of messy so that it looks chic and tousled but not so messy that it looks frizzy and haphazard. As you can imagine, the two trail a very fine line.