Take your updo from simple to special by following Dianna Agron's lead -- adding knotted texture to your bun and sweeping the bangs to one side. It's a really youthful and effortlessly chic way to wear your hair up, plus it's easy to re-create at home.

Get her look: To make the knot, gather hair into a low ponytail and divide into two sections, then tie the two as if you're making a knot. Secure with pins and tie another knot to make a double knot. Secure with more bobby pins, leaving the ends out.