It seems like most actors have a knack for fooling us into thinking that they're just as friendly behind the scenes as they are on camera. After all, they share amazing chemistry on set and we can't help but think that it's because of their real-life friendships.

But unfortunately, famous pairs like Debby Ryan and Skai Jackson have proved that even the closest on-screen characters can be bitter rivals in real life. And if you think that's shocking, just wait until you see how celebs have publicly dissed their co-stars!

Click through the gallery to see shocking ways celebrities have thrown shade at their co-stars!


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