Millie Bobbie Brown wasn't even a teenager yet when she starred as Eleven in Stranger Things and became a worldwide star! However, with fame and fortune came a ton of criticism, with media outlets and haters saying that Millie grew up way too early and that her dressing sense is way "too mature" for anyone's liking. Case in point, her latest look at SAG Awards 2020 drew a lot of hate for again, being "too mature." As Brown turned 16 yesterday, i.e.