Did you know that, years before Hailey Baldwin became a famous model and started dating Justin Bieber, she starred in one of Cody Simpson's music videos? They both looked like the best fetus versions of themselves, and it's all kinds of amazing/adorable/crazy. In honor of Flashback Friday, J-14 is heading into the archives and remembering all the celebrities who starred in music videos before their breakout moments.

Click through the gallery to see more stars who were in music videos before they hit it big, and let us know which one shocked you the most in the comments!

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