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She's 15 Years Old

Despite all that poise, Millie is crazy young: she was born on Feb. 19, 2004. She may act very mature, but she sometimes reminds us of her indomitable youth when she does things like make hilariously silly YouTube videos with Stranger Things costar Noah Schnapp.

She's Only 15, but Millie Bobby Brown Is Already Cooler Than Most of Us

It's been over three years since Millie Bobby Brown made it big thanks to her breakout role on Netflix's Stranger Things. We've been obsessed with her from the start, and three seasons later, we still are. We've watched the young talent grow and evolve as she continues to land other major roles, win awards, be an activist, and launch business ventures. Read
ahead to learn a few fun facts about Millie's personal life and professional journey!

- Additional reporting by Brea Cubit

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35 Times Millie Bobby Brown's Instagram Reminded Us She's Just Really Cool