Guess Their Natural Hair ColorRelated: Amy Adams, Ashlee Simpson, Drew Barrymore, Fergie, Jessica Biel, Katy Perry, Kim Kardashian, Leighton Meester
- Photo: John Shearer/WireImage - Photo: George Pimentel/WireImage
By Rebecca Silverstein
Changing your hair color is an easy way to try out a brand new look. But sometimes, it's easy to forget your roots -- literally. Stars like Christina Hendricks, Emma Stone and Amy Adams have changed their hair color so expertly that even the most avid celebrity style admirers probably don't know what their natural hair hues are. Care to prove us wrong? Vote to test your knowledge.
This summer, we'll see Emma as a blonde in "The Amazing Spider-Man." But up until now, she's been young Hollywood's resident redhead. (Well, young Hollywood's resident working redhead.) So which is she naturally?
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