There's no doubt Justin Bieber has definitely been acting a bit weird lately between sucking on pacifiers and his obsession with all things Selena Gomez!
Well the Biebs has done it again as he took to Instagram to share a new video of himself while he sings/shouts into the camera saying "I don't know why" over and over again.
Related: Get Your First Look At Bieber's Emojis!
To be fair, the Sorry singer does call himself out for being a "weirdo" in his caption, but why Justin felt the need to share this with the world, we have no idea. LOLz!
Ch-ch-check out JB's most recent bizarre behavior in his IG video (below) and let us know what you think is going on with the pop star!
Do you think Bieber's behavior is as weird as we do?
Tags: instagram, justin bieber