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

KRISTEN BELL

The Heroes star catches a wave, curling back her long tresses for a hotel opening in Beverly Hills.

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