This Week's Hottest Hair

Reese Witherspoon, Kim Kardashian 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

NICOLE RICHIE

The star goes for an updated shag style with wispy bangs at the UNICEF Snowflake Lighting event in L.A.

Give yourself a new look with InStyle.com's Hollywood Hair Makeover.