Professor enters the classroom the same way every day. Hello!

Mexican parade float with mariachi band randomly appears in East Los Angeles.

Ariana Grande performs amazing singing impressions of Britney, Christina, and Celine.

Steven Tyler of Aerosmith sings with a street musician in Moscow, Russia.

Instant karma strikes when this guy teases a Pug.

Squirrel takes milkshake out of the trash but not before removing the straw.