40 Pictures Of Celebrities Who Can't Stop, Won't Stop Changing Their Hair Color

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There used to be an unsaid rule that pretty hair looks as natural as possible. But, as any fearless woman knows, that rule is total crap — there's no reason why you have to stick to subtle hair in order for it to be deemed gorgeous. These eight celebrities are constantly changing up their looks, so much so that it's often hard to remember just what hair color they're rocking on a regular basis. Click through to see whose style is perpetually shifting.

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