We thought once was enough, but when Justin Bieber wore his creeptastic gas mask a second time in Londontown, we had to wonder…. what could have possibly convinced him that wearing one of these things was a good idea???
We've got a few reasons as to why the Biebs would don one of these creepy masks because it's gotta be something, right!?!
Click AFTER THE JUMP to find out our 8 reasons why Justin Bieber needs to wear a gas mask!!