2011: The Year in Rihanna's Hair

Rihanna is many things -- she's one of the most glamorous international pop stars in the world; she's a perfumista; and she's a bonafide coif chameleon.

Since the beginning of the year, her tresses have gotten longer, shorter, curlier, browner, blonder -- and everything in-between! Here, we take a look back at the evolution of the pop princess's trendsetting tresses this year.