“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.

Amid all the chatter around her appearance, Millie Bobby Brown has shared a rare glimpse at her natural hair. For context, Millie, 21, has sadly found herself at the center of ongoing discourse around her looks for years,

I can no longer keep up with Millie Bobby Brown’s hair transformations. One day she’s rocking a full Pamela Anderson–inspired, messy blonde updo, and the next she’s promoting her line of hair and body mists with sleek,