In honor of her 42nd birthday on Feb. 11, plus the launch this month of her eponymous debut fragrance, let's explore the intriguing beauty evolution of Jennifer Aniston.

From her iconic Rachel haircut, which she recently claimed she hated, to her current long, sexy honey-blond locks, Aniston's 'dos have not only been interesting to watch, but have been copied time and time again by legions of fans.

Check out her influential highs and lows (ahem, '90s-era brown lipstick and corkscrew curls) over her 20 years in the spotlight.

In the meantime, make sure you check out the "Style Evolution" of Aniston's "Just Go With It" co-star, the smoldering Brooklyn Decker.

If you want to hear more about what Jennifer Aniston thought of the Rachel haircut, see this video from AOL Television.