She may be one of the most badass young TV characters in recent memory, so it's hard to forget that Millie Bobby Brown is also a 13-year-old fangirl.

The 'Stranger Things' star was clearly thrilled that the one and only Niall Horan was a fan of the show, as their Twitter exchange yesterday displayed.

Now that Nialler has publicly put it out there that he's 'obsessed' with the show and has the ear of its star, is an Ed Sheeran/Game of Thrones-style cameo on the cards for Season 3? Stranger Things have happened.... (sorry.)