Why stick to blonde, brunette, or red, when there are so many other ROYGBIV shades to choose from? Check out these stars -- including Demi Lovato, Nicole Richie, Lauren Conrad, and more – who have tried rainbow-colored hair.
After playing with various shades of blue in late 2013, Lovato dyed her hair pink in January 2014. “That was just like, 'What can I do next? I'm bored,” she has said of her frequent color change-ups.
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