Research reveals that less than 1 percent of the world's population has natural red hair. Even if both parents have red hair, there is just a one in four chance their child will be ginger, according to LiveScience.com.

Despite these rare statistics, Hollywood is full of redheads. So whose hair is real and whose isn't?

Lindsay Lohan is one of the few natural gingers in Tinseltown. She experimented with blonde for a while, but we're glad she's been sticking to her roots lately.

Check out more natural and unnatural redheads...

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