What is the most viewed K-pop video in history? 'Gangnam Style'  by Psy. The latest internet sensation is 35 years old South Korean rapper Park Jae-Sand, otherwise known as Psy. And, everybody is doing the dance.Psy is well known is South Korea and has even starred in Good Sunday:XMan and the Golden Fishery. Just the other day he was showing Britney Spears how to do it on the Ellen Show. Kids, teens and adults are all doing the dance which has spawned numerous videos on You Tube. Is this the beginning of a crazy career here in the states or just a craze? Either way, it's the dance of the moment. So get up and do it.