This may be hard to believe, but before they were major super stars, celebrities like Maddie Ziegler, Gigi Hadid, Kylie Jenner, Britney Spears, Harry Styles, Camila Cabello, JoJo Siwa and more all got their start from a reality show. That’s right, whether they were part of a Real Housewives franchise or competed on a singing competition show, like the X Factor, these well-known faces were just cast members on TV at the time.

As fans know, after their television debut, most of these famous faces grew up to become some of the most recognizable people in the world. We mean, everyone seems to know Justin Timberlake as a singer, but did you he actually got his start on the now-defunct Mickey Mouse Club? What about Glee‘s Heather Morris? Before she became the fan-favorite Brittany, she was just a dancer on So You Think You Can Dance. See, so many major celebs appeared on reality TV and you just don’t know it! Well, no worries because J-14 broke it all down for you!

Scroll through our gallery to uncover all the famous faces who got their start on reality TV.

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