Today, Psy's "Gangnam Style" ranked number 1 on the U.S. iTunes MV chart.

It is the first time a Korean artist has placed first on the iTunes MV chart.

"Gangnam Style" had ranked 2nd on this chart on August 18. However, in just 3 days, he beat Justin Bieber and Katy Perry and ranked number 1.

"Gangnam Style" currently has over 43 million hits on YouTube.

His second version of this song, "Oppa is Just My Style" has over 13 million hits.

Psy was also seen on August 20 at the L.A Dodgers baseball game. The audience danced his famous 'horse-riding' dance move on screen as well.

CNN also featured Psy again on the news by uploading a video titled, "Korean rapper explains horse dance' on their homepage.

Psy has suddenly become a world star with his new hit song, "Gangnam Style."