I think that model Karolina Kurkova perfectly nails the side braid. She's wearing it with an LBD proving that you can dress up the braid. How versatile!
How to Achieve this Look:
1. Blow dry your hair upside down to achieve volume at the roots
----> Make sure that you're blowing you hair toward the side that you want your braid on
2. Pick a side to part your hair on
---> Don't brush your hair out, you want to keep that volume you achieved by blow drying
3. Apply pomade to the lower half of your hair (the part that you will be braiding) and begin braiding
---> This style works best if you don't have too many layers
4. Tie up the end of your hair with a clear elastic
5. Enjoy :)