Another milestone was reached for South Korean rapper Psy, whose global hit music video "Gangnam Style" reached one billion hits on YouTube.<br/> <br />It's the first time any video has reached the ten digit hit count in the history of the website. Eager fans could track the count in real time on billioncountdown.com.<br/> <br />Last month Psy took away the crown for "most watched video on YouTube" from his record label mate Justin Bieber.<br/> <br />His infectious horse riding spawned countless parodies across the world and he had many galloping sessions with celebrities such as Britney Spears and U.N. Secretary-General Ban Ki-moon.<br/> <br />Recently the 34-year-old rapper performed for U.S. President Barack Obama at a Christmas celebration.
