How to see your face shape: Pull your hair back from your face, stand a foot in front of the mirror and use lipstick to draw the outline of your face (Tip: I found it easier to do this with one eye closed. It took me three tries to get an accurate drawing.)
How to tell if you have a square face shape: Your jaw and forehead are roughly the same width; the jaw has a definite squareness to it.
The great thing about having a square face shape: Some of the most beautiful women in the world have square face shapes like Sandra Bullock and Katie Holmes. Your strong jawline gives you a gorgeous, distinctive look.
Haircuts for a square face: The goal with your hairstyle is to choose a look that softens the angles of your face. You'll want to avoid anything that accentuates the squareness – like heavy straight bangs or a blunt-cut chin-length bob – because those looks are too geometric to work with your face shape. However, with a few tweaks, many hairstyles do work:
Makeup for a square face: Contouring with makeup can help give the illusion of a softer face shape. Here's a video to show you how to do it:
Have a round face? We have face shape beauty advice for round face shapes, too.