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Jennifer Aniston

BEVERLY HILLS, CA - JANUARY 17: Actress Jennifer Aniston poses in the press room at the 67th Annual Golden Globe Awards held at The Beverly Hilton Hotel on January 17, 2010 in Beverly Hills, California. (Photo by Kevin Winter/Getty Images) *** Local Caption *** Jennifer Aniston

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.