“Stranger Things” actress Millie Bobby Brown, 21, made a dramatic hair change, swapping her platinum locks for her original deep brunette shade. Quite the beauty risk-taker, the starlet debuted her fresh new tresses on Thursday at the semi-final of the Miami Open, which was held at Hard Rock Stadium.

I will admit it—I am utterly fascinated by Millie Bobby Brown's hair this year. Because she and her tresses have been on a real journey. In the past month, the Stranger Things actress has gone from mousy brown, to bombshell blonde, to bubblegum pink, to blonde bob, back to a deep chocolate brunette. The range!

Millie Bobby Brown changed her hair color once again after being slammed for her current appearances. The Stranger Things star went on a rant defending herself