Lifestyle Style 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 By People Staff Published on November 26, 2008 07:00 PM Share Tweet Pin Email Trending Videos 01 of 09 REESE WITHERSPOON Jeffrey Mayer/WireImage For the L.A. premiere of Four Christmases the actress channels Grace Kelly, shaping her bob into a classic waved coif. Give yourself a new look with InStyle.com’s Hollywood Hair Makeover. 02 of 09 KIM KARDASHIAN Jacob Andrzejczak/WireImage The Dancing with the Stars alum adds lush and loose curls to her center-part do at a Vegas magazine party in Sin City. Give yourself a new look with InStyle.com’s Hollywood Hair Makeover. 03 of 09 JESSICA BIEL Dee Cercone/Everett The star adds soft, tousled waves and a side part to her hair for the CNN Heroes ceremony in Hollywood. Give yourself a new look with InStyle.com’s Hollywood Hair Makeover. 04 of 09 RIHANNA Andy Fossum/Startraks It’s all about turning up the volume for the singer, who amps up her short style with soft texture at the American Music Awards. Give yourself a new look with InStyle.com’s Hollywood Hair Makeover. 05 of 09 NICOLE RICHIE Jason Merritt/FilmMagic 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. 06 of 09 MADONNA Evan Agostini/AP The Material Girl adds retro waves and a soft side part to her blonde locks at the Gucci UNICEF dinner in N.Y.C. Give yourself a new look with InStyle.com’s Hollywood Hair Makeover. 07 of 09 NICOLE KIDMAN Brian Ach/WireImage The blonde adds elegant large curls to her long locks for an appeaance on The Late Show with David Letterman. Give yourself a new look with InStyle.com’s Hollywood Hair Makeover. 08 of 09 MOLLY SIMS Entertainment Press / Splash News ONline Giving her updo a romantic look, the actress pulls select locks loose to frame her face at the CNN Heroes event. Give yourself a new look with InStyle.com’s Hollywood Hair Makeover. 09 of 09 JADA PINKETT SMITH Fotonoticias/WireImage The Madagascar 2 star hits the film’s Madrid premiere with chic, new blunt bangs. Give yourself a new look with InStyle.com’s Hollywood Hair Makeover. Check Out Last Week’s Hottest Hair >