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

FIGHT FRIZZ

Getting Lauren Conrad's silky-smooth waves or Audrina Patridge's superstraight do doesn't need to be a battle this summer. "The best way to fight summer frizz," says Christine Symonds, celebrity stylist at Warren-Tricomi L.A. who works with the Hills stars, "is to get a good anti-humectant product, like Warren-Tricomi's Finishing Cream. Or just run a little of any essential oil through your hair – or even a light lotion if your hair is fine."