Summer Beauty Do's & Don'ts

Get the lowdown on the must-have looks of the season from PEOPLE's beauty expert. By Serena Kappes

TREND: SLEEK UPDOS

DO: Part your hair on the side and wear your bun or chignon low (as seen on Rosario Dawson and Kate Bosworth).

DON'T: Plaster your tresses to your head with too much product. "It's just about smoothing your hair," says Gage. "You don't want a wet look."