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Jennifer Aniston

383127 10: Actress Jennifer Aniston arrives at the 10th Annual Fire & Ice Ball December 11, 2000 at the Beverly Hilton in Beverly Hills, CA. (Photo by Chris Weeks/Liaison)

Jennifer Aniston's Hair Transformation

Jennifer Aniston's classy style is sometimes described as predictable, but she's much more experimental when it comes to her tresses than she is with her wardrobe. In honor of the actress' 44th birthday on February 11th, take a look back at the many hairdos — and a few hair don'ts! — that she's sported over the years.