If you haven't heard of Korean singer Psy, you will soon.  Thanks to over 200 million views on YouTube, the popstar is becoming a global sensation.

Psy's song "Gangnam Style," and its accompanying dance featuring galloping and other horse-like movements, has taken the world by storm. His song has become the most downloaded song in iTunes.

In the United Stated alone, the singer has landed several high-profile TV spots, including a comedy skit on "Saturday Night Live," which aired over the weekend.

He also appeared on Ellen DeGeneres' daily talk show where he gave the host and Britney Spears a lesson on how to perform his famous dance.

"Gangnam Style" refers to the wealthy Gangnam District in Seoul, Korea.