It looks like Millie is about to hotwire a car and head to the coast of Mexico in this outfit. She looks like a damsel who just stole all her evil husband's money and needs to skip out of town. That's not even a diss. It's a hyper-specific compliment. Plus, tell me I'm wrong. That's exactly how she looks. I'm still not used to seeing her with her long hair either, so this just looks like a disguise.
Stranger Things Fact Number Twenty Nine: In season 2, Eleven is able to confront her father figure played by Matthew Modine. This scene took such an emotional toll on Millie that she cried after the scene was finished. I cry after my Cup of Noodle is finished, so I completely understand. That's the same thing, right?