I think we can all agree that Justin Bieber is the biggest douche in the world. Here's proof of his douchiness in GIFs.
Justin Bieber, pissing in a mop bucket
Justin Bieber, leaving a brothel
Nobody cares if Bieber gets his rocks off in a brothel. But own it because everybody knows that's you under the sheet.
Justin Bieber, at the great wall of China
Justin Bieber couldn't walk at the Great Wall of China so he had his bodyguards carry him.
Justin Bieber, a man of no emotions
Justin Bieber, shirtless forever