In the show, Brown plays Eleven, a girl with supernatural powers, and, yes, brown hair. Could Brown's new blonde look be a sign that she's already working on a new Y2K-coded project? Time will tell.

Millie Bobby Brown has swapped her signature brunette hair for a bleached blonde look as the final season of 'Stranger Things' wraps.

Millie Bobby Brown’s Blonde Hair Fellow brunettes have lost another star to a hair transformation. However, Brown’s new look is so good, it’s hard to stay mad at.

In a recent Instagram post, Millie Bobby Brown shared new photos of herself with a new bright blonde blowout.

Millie Bobby Brown is—well—not so brown anymore! The Stranger Things actress just debuted a bold new look in a series of Instagram photos.