Popsugar Celebrity Millie Bobby Brown Millie Bobby Brown's Evolution Throughout the Years From Netflix Actress to UNICEF Ambassador: See Millie Bobby Brown's Evolution in Pictures 23 January 2020 by Lauren Harano View On One Page Photo 18 of 58 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 18 Millie Bobby Brown at the Argentina Comic Con in 2017 Previous Next Start Slideshow Millie Bobby BrownCelebrity Evolutions