• "Stranger Things" will return for its fifth and final season at the end of this year. • When the show began almost 10 years ago, many of its stars were unknown child actors. • Now, the kids of "Stranger Things" are adults and making moves in Hollywood and beyond.

Think back to July 2016: A new show just dropped on Netflix that combined the '80s nostalgia of "The Goonies" and Steven Spielberg movies with state-of-the-art special effects and a cast of talented young kids no one had ever seen before.

That show, of course, was "Stranger Things," which became a full-blown phenomenon for the streamer — and turned the cast of unknown kids into A-listers almost overnight.

But not all of them have become huge outside "Stranger Things." Millie Bobby Brown, Sadie Sink, and Joe Keery have all

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