Red alert!

Emma Stone has returned to the hair color she had in her breakout film, "Easy A."

The 22-year-old starlet went blond (her natural hair color) to play Andrew Garfield's love interest in the upcoming "Amazing Spider-Man" reboot. At the time, Stone was excited about the change. "My natural hair is blonde, so it's kind of nice," Stone told MTV. "I looked in the mirror and said, "Oh my god, it's me again! It's been so long!"

Do you prefer Stone as a blond or a redhead? Vote on her and other celebrities who've changed their hair color below:

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Stone returned to red just in time for the MTV-sponsored preview of her new film, "The Help." She employed the services of colorist Tracey Cunningham, who boasts an impressive list of celebrity clients. Cunningham transformed Drew Barrymore from a dirty blond into a redhead. She also helps Amy Adams maintain her strawberry blond locks (like Stone, Adams is naturally blond).

"Emma loved going back to her natural blonde for Spider-Man, but she feels very comfortable as a redhead and it's the color she gravitates to," Cunningham told Us Weekly, "Plus, she wanted an exciting shade for summer!"

Thinking of changing your own hair color? Click here to see 15 great hair color products and accompanying tips from TotalBeauty.

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