(7 of 8) Blonde to BrunetteWho says blondes have more fun? These gorgeous stars are crossing over to the dark side and loving every minute of it! Whether going from platinum blonde to dark chestnut like Britney Spears, or keeping it more subdued like Keira Knightley, they all showed their true colors—as brunettes, of course! Renee Zellweger Zellweger has always been a true blonde through and through. With her rosy complexion and light blue eyes, going brown seemed impossible. Proving the critics wrong, she wears her new color like a pro.
