Psy tweets a video with the caption "PSY Makes Ryan Seacrest Do 'Gangnam Style' Dance."

The video features other celebrities such as Rita Ora, Kat Deluna, and Jason Kennedy.

"Gangnam Style" has become internationally famous for its catchy lyrics and unique horse dance. There have been many dance covers and parodies of the song. It has done really well on various music charts.

Psy performed in Australia on "The X Factor," "Sunrise" and is scheduled to perform on Oct 18 at Marquee then will make his way to the U.S. to work on his English album.