Justin Bieber may have found his Purpose on his last album, but his rebirth as a Christian hasn't stopped him from growing into a troll. Whether he's messing around with his fans or getting under the skin of other artists, the singer knows how to get a reaction out of people. For the most part, it's all out of good fun, but there are definitely some recurring motives for his targets.

Check out 5 moments where Bieber has exposed his inner troll in the galleries above.