For a fun and youthful finish, you can try two braids, which can be created in different ways, including pigtails for a cute and girly. A braids/pony combo look is the best of both worlds:
Black hairstyles with bangs and ponytail
Khloe kardashian ponytail hairstyles
E girl hairstyles two ponytails
Hairstyles Ponytail Braid Hair Styles Ideas