David Letterman slams Bieber. (Video)

Dunno if any of yall seen this. I thought this was funny.

Haha. Sixteenth.

How is that even remotely close to slamming?

He was totally freaking out for a second there.

Sixteenth! Ha!

@InnerVenom123 said:

How is that even remotely close to slamming?

Ha. Yeah I realized I worded that wrong. >_>. But it'll be okay.

He sounds pretty mentally challenged. Keeps getting lost in his own words.