I had no idea this was something I could fix. It has always drove me crazy! I am so excited :) Exercises to work out my biggest problem, the gluteus medius! This pic looks bad but it's actually a great website for strength exercises.
Spray bobby pins with hairspray or dry shampoo, wait a couple of seconds to let them dry just enough to get them sticky and pin away! Sticky bobby pins stay put, even on straight hair. Insert the bobby pin into your hair, wavy side down.