Millie Bobby Brown finds transition to adulthood most difficult part of her fame Entertainment Tue, Apr 06, 2021 Having got stardom at a very young age, English actress and model Millie Bobby Brown is still considered a child by her fans as they are unwilling to accept that she has grown up as a 17-year-old young woman who needs to look like one. “I’m only 17, but at the end of the day, I’m learning to be a woman,” said Brown who soared to the heights of fame with her role in the Netflix science fiction series "Strange Things" while she was a mere a 12-year-old child.