Millie Bobby Brown Hints ‘Stranger Things’ Isn’t Ending With Season 3 Brown turned fans’ worlds “upside down” after an emotional Instagram post. The actress has been posting sentimental messages about wrapping season 3. “as we said goodbye, i gave my best friend the biggest hug and told her i loved her so much. My sister forever @sadiesink_” - Millie Bobby Brown, via Instagram Brown was asked if her posts signified the end of ‘Stranger Things’ during ‘The Late Show With Stephen Colbert.’ “No! I'm just a very emotional person. When it comes to my closest people, like, I'm not good at goodbyes." - Millie Bobby Brown, on ‘The Late Show With Stephen Colbert’ The actress emphasized the photo was taken on the last day of the “season.” “Of the season, not the show. The season." - Millie Bobby Brown, on ‘The Late Show With Stephen Colbert’ Brown defended her posts by saying she is a “very emotional person.” “I can't say goodbye to people. It gives me serious, like, sadness and anxiety. So when I had to say goodbye to my best friend, Sadie, I just broke down. Also, catering, that was a tough one." - Millie Bobby Brown, on ‘The Late Show With Stephen Colbert’