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

LUCY LIU

The actress lets down her famous raven hair at the UNICEF Snowflake Ball in N.Y.C.

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