The 'Stranger Things' star just made a bold style move, swapping her signature look for something totally unexpected.

Stranger Things star Millie Bobby Brown has revealed an unrecognisable blonde hair transformation, leading fans to compare her to a famous pop star. Taking to Instagram, Brown, who has had brunette hair for the past two years, shared her new look with fans.

Millie Bobby Brown is—well—not so brown anymore! The Stranger Things actress just debuted a bold new look in a series of Instagram photos. As the final season of the Netflix show wraps, the actress has ditched her signature brunette hair in favor of a bold bleached blonde blowout.

Millie Bobby Brown has just hard launched her blonde era, and has literally broken the internet in the process. The 20-year-old took to Instagram to drop three photos to her main grid of the statement look,

Millie Bobby Brown just debuted a brand new hair color, and it will make you look twice. Given that the Stranger Things actor has worn so many different styles throughout the years — from her short hair to her throwback makeup — that’s not an easy feat.