21 Star-Tested Summer Beauty Secrets

Want Leighton Meester's bright pout or Cameron Diaz's natural glow? Hollywood's beauty experts give us their top tips and tricks for staying gorgeous all summer long! By Katherine Kluznik

BUN IN THE SUN

Don't waste precious summer hours working on your hair – take the chic and easy route like Kate Beckinsale. "Slick hair back in a bun and polish it back," says Tricomi. "It keeps it off the neck and fuss-free." Start by combing a de-frizzing product like Warren-Tricomi Pre Blow-Dry Calming Serum through damp hair to lock in moisture.