Posted 1 hour agoSubscribe to BuzzFeed Daily NewsletterCaret Down19 Celebs Who Have Hidden Their Natural Hair Color So Well, You Probably Didn't Even Realize It Was FakeEmma Stone's red hair is iconic.by Michele BirdBuzzFeed ContributorFacebookPinterestLink If you've ever dyed your hair, you know how easily it can transform your entire look. And with celebs often changing their hair color for onscreen roles or just for the fun of it, you never know what they might be rocking the next time they're in the public eye.