Have you ever come across a celebrity throwback photo that makes you do a double take? It's happened to us plenty of times – especially when it's a pic of stars we didn't even know were friends! Like, did you know that Bella Thorne and Ryan Newman were hanging out way before Shake It Up and Zeke and Luther?

Click through to see more shocking childhood friendships, then let us know which ones surprise you the most in the comments below.

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