Some celebrities were born and bred to be stars, most likely by other stars.
Most of the time, however, they were unknowns during their formative years, a far cry from the future TV stars, movie greats, musical icons and models we know.
The heart throbs of today were the nerds of yesterday, the style mavens as awkward as any other 'tweens, and the Kardashians anonymously tolerable.
Check out the gallery below for so many examples of this ...
If you've ever wondered what your favorite celebrities (or the Kardashians even) looked like long before they dominated your Facebook feed, wonder no longer.
We've answered that question dozens of times right here!
Some of them looked a lot like their adult selves from a very early age, while Father Time has, shall we say, been kinder to some more than others.
All of them, though, were pretty darn precious as you'll see.
Yes, this gallery makes even Justin Bieber look semi-cute.