It's easy to assume that TV co-stars are the same age — especially if they're playing on-screen couples or classmates. But since most older stars can get away with playing much younger roles, it's safe to say that looks can be deceiving. For instance, did you know that Dove Cameron's on-screen bestie, Jessica Marie Garcia is eight years older than her in real life?

Yeah, we had no idea either!

Click through the gallery to see more shocking age gapes between TV co-stars!

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