ActressEmma Stoneis a natural blonde, but typically keeps her hair a gorgeous shade of red.

And in another big change, this week she revealed a totally new hair color.

Check out some of her most notable hair transformations, and keep scrolling for her surprising new look.

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attends the Closing Night Gala Presentation of “Birdman Or The Unexpected Virtue Of Ignorance” during the 52nd New York Film Festival at Alice Tully Hall on October 11, 2014 in New York City.

Her hair has been a dark auburn.

Image Credit: Getty Images

And a lighter red hue.

She has rocked an adorable ombre bob, with bangs.

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at “The Amazing Spider-Man 2: Rise Of Electro” photo on March 20, 2014 in Sydney, Australia.

And she even went blonde for a hot minute that one time.

But nothing prepared us for this change.

Stone has dyed her hair a dark brunette color.

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«attends “The Amazing Spider-Man 2” premiere» at the Ziegfeld Theater on April 24, 2014 in New York City.

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She’s been a brunette before, back in 2006.

But this is a whole new level of dark.

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attends 16th Annual EIF Revlon Run Walk For Women on May 4, 2013 in New York City.

The new color might be part of prepping for her role as Billie Jean King inBattle Of The Sexes.

And yep, she’s working it.

Photo Credit: Getty Images

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HOLLYWOOD, CA - APRIL 25: Actress Emma Stone attends the Replay Los Angeles store opening party at Falcon on April 25, 2006 in Hollywood, California. (Photo by Mark Mainz/Getty Images)