And he is nervous about it.
Plus: Jay Leno's Gangnam-styled "Denim Style" music video, and more, on our daily late-night roundup.
It's stuck at No. 2.
Even Psy would be all, "Gross, guys."
What makes Psy's breakout smash unique is its acerbic, self-aware edge, which is something of a novelty in earnest, unsarcastic K-pop.
He even does the riding-a-horse dance.
Beating out LMFAO, the Bieber, and everyone else.