Popsugar Celebrity Stranger Things Stranger Things Cast at Premieres Over the Years The Stranger Things Cast Has Changed So Much Since Their First Premiere, It's Truly Shocking 4 August 2019 by Kelsie Gibson Image Source: Getty / Amy Sussman Ever since Stranger Things premiered on Netflix back in July 2016, we've been obsessed with the talented young cast members. We love keeping up with their cute friendships and fun social media posts, and to be quite honest, they're cooler than we ever were at that age. Throughout the past three seasons, they've grown up before our eyes, and it's a lot to take in. Millie Bobby Brown went from being a cute little 12-year-old to one of the most fashionable 15-year-olds in Hollywood. As if their TV transformations haven't been shocking enough, their most recent appearance at the show's season three premiere has us doing a double take. See how they've grown up over the years ahead. Related: Stranger Things: 27 Behind-the-Scenes Photos From the New Season That Will Flay Your Mind Caleb McLaughlin at Stranger Things Season 1 Premiere Image Source: Getty / Alberto E. Rodriguez 1 / 25 Caleb McLaughlin at Stranger Things Season 2 Premiere Image Source: Getty / Frazer Harrison 2 / 25 Caleb McLaughlin at Stranger Things Season 3 Premiere Image Source: Getty / CHRIS DELMAS 3 / 25 Millie Bobby Brown at Stranger Things Season 1 Premiere Image Source: Getty / Alberto E. Rodriguez 4 / 25 Millie Bobby Brown at Stranger Things Season 2 Premiere Image Source: Getty / Jon Kopaloff 5 / 25 Millie Bobby Brown at Stranger Things Season 3 Premiere Image Source: Getty / Amy Sussman 6 / 25 Gaten Matarazzo at Stranger Things Season 1 Premiere Image Source: Getty / Alberto E. Rodriguez 7 / 25 Gaten Matarazzo at Stranger Things Season 2 Premiere Image Source: Getty / Frazer Harrison 8 / 25 Gaten Matarazzo at Stranger Things Season 3 Premiere Image Source: Getty / CHRIS DELMAS 9 / 25 Noah Schnapp at Stranger Things Season 1 Premiere Image Source: Getty / Alberto E. Rodriguez 10 / 25 Noah Schnapp at Stranger Things Season 2 Premiere Image Source: Getty / Jeffrey Mayer 11 / 25 Noah Schnapp at Stranger Things Season 3 Premiere Image Source: Getty / Amy Sussman 12 / 25 Finn Wolfhard at Stranger Things Season 2 Premiere Image Source: Getty / VALERIE MACON 13 / 25 Finn Wolfhard at Stranger Things Season 3 Premiere Image Source: Getty / Rachel Murray 14 / 25 Sadie Sink at Stranger Things Season 2 Premiere Image Source: Getty / VALERIE MACON 15 / 25 Sadie Sink at Stranger Things Season 3 Premiere Image Source: Getty / Rachel Murray 16 / 25 Natalia Dyer at Stranger Things Season 1 Premiere Image Source: Getty / Alberto E. Rodriguez 17 / 25 Natalia Dyer at Stranger Things Season 2 Premiere Image Source: Getty / Frazer Harrison 18 / 25 Natalia Dyer at Stranger Things Season 3 Premiere Image Source: Getty / Amy Sussman 19 / 25 Joe Keery at Stranger Things Season 1 Premiere Image Source: Getty / Alberto E. Rodriguez 20 / 25 Joe Keery at Stranger Things Season 2 Premiere Image Source: Getty / Frazer Harrison 21 / 25 Joe Keery at Stranger Things Season 3 Premiere Image Source: Getty / CHRIS DELMAS 22 / 25 Stranger Things Cast at Season 1 Premiere Image Source: Getty / Amanda Edwards 23 / 25 Stranger Things Cast at Season 2 Premiere Image Source: Getty / Steve Granitz 24 / 25 Stranger Things Cast at Season 3 Premiere Image Source: Getty / Amy Sussman 25 / 25 Stranger ThingsRed Carpet