Justin Bieber didn't quite grow up like you and I, and that was his excuse for a sad attempt at shotgunning a beer.
Bieber posted a video of him and a buddy battling it out in Las Vegas. While his friend finished the beer in good time, he had to embarrassingly watch Bieber struggle with the 12-ounce can of Corona.
Bieber said he never went to college, so the frat party tradition of punching a hole through a beer can and quickly downing it was well beyond his homeschool training.
Watch the Biebs crash and burn below: