2. Half-up, Half-down

Ariana Grande is pretty much the queen of the "half up, half down" look. She's worn it so often that fans even started complaining to her about it! However, I think the look really suits her. Here, she gives the whole half-up, half-down hairstyle a bit of a funky twist. The side bun is very Miley-esque but I'm not complaining! If you don't think you can pull this side bun off, go for the more conventional look and just put the top half in a pony-tail!