Believe it or not, celebrities were once children too. Better children, with much better genes, prospects and personalities, but children all the same.
And wouldn't it be interesting to find out how our favourite celebs got on in their youth? Yes. Yes it would. That's why Reddit imu30 started a thread encouraging their past teachers to dish the dirt.
Check out the thread here - and check out the best of the lot below...
"The principle of my old high school taught Mac from Always Sunny while he was in high school, he said he was exactly how you would expect, a trouble maker and a smart-ass, but surprisingly he sucked at theater and school plays."