Millie Bobby Brown shared an Instagram video on March 25 showing herself with a new, bleached blonde bob. Then on March 29, she shared a series of photos on Instagram of herself wearing a bikini and sporting longer brown hair on a beach.

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,

Millie Bobby Brown just switched up her hair again, debuting her darkest color yet. The Stranger Things star debuted a bold new 'do at the 2025 Miami Open on Thursday, March 27, while attending the women's semifinals with her husband,