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.

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, Jake Bongiovi, and his father, singer Jon Bon Jovi.

Millie Bobby Brown later shared a bikini pic on her Instagram from a beach, showcasing her brown hair and promoting her coffee brand, Florence by Mills. Brown is pictured holding a can of her brand's iced coffee while wearing a paisley-style bikini top, patterned white shorts, and sunglasses. She captioned the photo, “sunset swims.”