Did you know that Ariana Grande and Meghan Trainor were born in the same year? Or that Selena Gomez and Sam Smith are both 24 years old? These celebrities may look like they're several years apart, but it's safe to say that looks can be deceiving!

We'd have never guessed that these unlikely pairs would turn out to be the same age. After all, quite a few of them could pass for several years younger while others look way more mature!

Click through the gallery to see all the celebrities you never knew share the same age!

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