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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KATE WINSLET

The actress makes over her look with a brighter blonde shade, new bangs and sexy layers for the New York premiere of The Reader.

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