This Week's Hottest Hair

Lauren Conrad, Jennifer Aniston and more prove that getting glam is all about the hair! Get inspired by this week's most stylish 'dos – then click to find your best hairstyle. By Katherine Kluznik Rentmeester

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RACHEL BILSON

Going casual with a touch of glam, the stylish Bilson lets her hair down to host a D&G party in L.A.

Try on your best hairstyle with InStyle.com's Hollywood Hair Makeover.