Millie Bobby Brown is all grown up and stylish and her Insta pics are proof of that!

Celebrity beauty: Lady Gaga, Rihanna, and Millie Bobby Brown all have makeup lines. - Vox

Millie Bobby Brown Shut Down Critics After Posing in a Snakeskin Dress and Heels

Millie Bobby Brown says her 'adult' relationship with Henry Cavill has “strict boundaries

Millie Bobby Brown, 18, on the 'gross' sexualization she felt by Hollywood as a young teen: 'It can be really overwhelming

Stranger Things star Millie Bobby Brown, 18, stalked by fan, 26, who went on set of her Netflix film

Millie Bobby Brown criticized for makeup and hair on Instagram: 'You're 15. Stop

Millie Bobby Brown just celebrated a huge Instagram milestone, and it's the perfect tribute to her alter egoHelloGiggles

Millie Bobby Brown: Everything You Need To Know

What do you think of the Drake texting Millie Bobbie Brown thing? : r/popculturechat

Stranger Things' actress: The best looks from the star, Gallery