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

CHIC SUMMER BRAIDS

Ashlee Simpson shows off one of summer's chicest – and simplest – hairstyles. Try her low braided side ponytail paired with a stretchy headband for a relaxed style that keeps hair out of the way. One of the biggest summer mistakes, says Symonds, is making hair too done.