New 11++ Millie Bobby Brown Age When Starting Stranger Things. How 'stranger things' star millie bobby brown made eleven 'iconic' and catapulted into pop culture. Millie was born in marbella, spain, in 2004 to english parents kelly and robert. Her family moved back to the u.k. The actress recently got her learner's. Millie Bobby Brown Age When Starting Stranger Things - The Simple Explanation For Why You Don T Like Stranger Things Star Millie Bobby Brown The british schoolgirl who has taken hollywood by storm.