New 17+ Millie Bobby Brown Eleven Outfits. Brown's denim outfit was a far cry from the feminine dresses that populated most of her red carpet looks prior to the event, and it seemed it's unclear how millie bobby brown's style will evolve as she expands her talents outside of stranger things. Brown wasn't intimidated by the role of eleven being mostly nonverbal. It took me 12 years — well, 11 years — to grow something.