This Week's Hottest Hair

Jessica Simpson, Jennifer Lopez and more prove that getting glam is all about the hair! Get inspired by this week's most stylish dos – then find your own best hairstyle. By Katherine Kluznik Rentmeester

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EMMA WATSON

The young actress tries out a wide part, side-swept bangs and a touch of texture for the L.A. premiere of The Tale of Despereaux.

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