This is a really easy yet pretty hairstyle. Here is a tutorial on how to accomplish it.
1. Clip the the top section of hair behind you ears to the back of your head on both sides.
2. Take a medium size piece of hair you left down and braid it. The trick here is to braid pulling the hair upward this avoids having a lump at the side of your head.
3. Once long enough pull to the other side of your head and secure with a small hair clip.
4. Then on both sides of your head un-clip the sections of hair.
There you have it an effortless braided headband.