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,

“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.

These brand-new photos of Millie Bobby Brown just made me do a double take. This week, the Stranger Things star, 21, proved that she’s a tennis fan when she attended the Miami Open in Florida with her husband,