By Kelly Holechek
Oct 06, 2012 @ 9:00 am
Pascal Le Segretain/Getty Images; Time Inc Digital Studio

Keira Knightley’s bob was this week's most popular hairstyle try-on in's Hollywood Makeover Tool, with 8,000 users giving the look a virtual whirl. Haven't yet seen what you’d look like in the star's short 'do? Simply upload your picture to try on the cropped look for an instant makeover—no salon visit necessary! And don’t forget to share your new look with your friends on Facebook and Twitter.

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