Unique 29++ Millie Bobby Brown Age 10. She stars as a telepathic kid eleven in the netflix series 'stranger things'. In late 2019, she began dating rugby player joseph robinson, but the two split up 10 months later. Origin millie bobby brown is an english television actress and model. Millie bobby brown (born 19 february 2004) is an english actress and producer. Millie Bobby Brown Age 10 - Happy Birthday Millie Bobby Brown 10 Lesser Known Facts About Stranger Things Actress She instantly stood out and a top hollywood talent scout noticed her.