“My, how you’ve grown!” Over the years, the below celebs—once upon a time child actors, now all grown—have probably heard that phrase or something like it many times over. It might be hard to believe where many of these guys got their start, and what they looked like back then (more often than not: so cute!). But each of them is more than holding his/her own as an adult, mature star; for the sake of humility, we’ve placed them in this Top 10 to remind them of where they started.
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