If you want to try hot rollers to further add voltage to the look, here is a basic tutorial:
If you prefer step-by-step picture directions, check out the two links below.
Guide to Brigitte Bardot Bow Look
11 Ways to Wear a Hair Bow (without looking like a five year old)
Finally, if you're the type that worries about being on trend, according to Cosmopolitan UK, bows and retro curls are part of the huge hair trends for 2014.