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,

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.”