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Believe it or not, each of these side-by-side photos show the same person, but just several years apart.
Compiled by Bored Panda, they show the power of puberty and prove how time can change everything.
That nerd you bullied in school for looking geeky? Well, he or she might be a hot model now, for all you know.
Still unconvinced? Browse the images in the gallery above to see for yourself.