Inspirational 29++ Millie Bobby Brown 2020 Age. Millie brown is an actress currently starring in netflix's 'stranger things'. Learn about millie bobby brown: Matt duffer & ross duffer written by: At the age of twelve, she gained notability for her role as eleven in the first season of netflix science fiction series stranger. Millie Bobby Brown 2020 Age - Millie Bobby Brown Wiki Height Weight Age Boyfriend Family Biography Net Worth More Millie bobby brown is a 16 year old british actress.