Long layers are perfect for rounder face shapes because they create the appearance of an elongated face. Ask your stylist to cut your first layer below your chin. Short layers add more volume to your hair, which will just make your face appear rounder.

Another great hairstyle for round faces is long side-swept bangs. Take advice from Kirsten Dudst and Ask for long bangs that hit around your cheekbones. This will give your face a more angular appearance. Avoid a center part at all costs!

If you have a square face consider yourself lucky; a lot of famous faces have a strong, angular jawline. Go for a long bob that hits in between your jawline and shoulder. Use Kiera Knightly as your style guide.

Learn from Olivia Wilde. Her strong jaw is toned down with loose, feminine shoulder length waves. Avoid a pulled back pony, this will only accentuate the face shape. If your want to wear your hair up, pull out some hair strand to help frame your face.

If you have an oval face, congratulate yourself; this is the most versatile face shape. With such a sweet feminine face you can afford to go short, like really short. Learn from the beautiful Chalize Theron. Her pixie cut is stunning, and not too masculine.

Bangs are perfect for an oval face. The trick is to make sure they aren’t too short causing them to look dated. Try brow-skimming bangs. They cover your forehead and bring more attention to your eyes.

If you have a long face like Sarah Jessica Parker, you need volume, volume, and more volume. Sorry ladies, but put down the flat iron — it's your enemy. Layered waves are your new best friend. Ask for shorter layers to add width to the sides of your face.

Another great hairstyle for long faces is a choppy bob that hits around the chin. This edgy but cute and they create the illusion of width. SJP has tried out this look too.

Reese Witherspoon is the poster girl for the heart shaped face. Her pointed chin and strong jaw looks best with long side-swept bangs. Because heart shaped faces are wider on top the long bangs help to balance out the width and length. Katherine McPhee also knows how to rock this style.

If you have curly hair and heart shaped face try Keri Russell’s style. Taper the curls at the end so they don’t look too heavy. And have them start to curl around the ear and lower so it brings some width down toward your chin.