Gangnam Style
South Korean singer Park Jae-sang, also known as Psy, performs during his concert at Seoul on October 2, 2012. The 34-year-old singer shot to international fame when his “Gangnam Style” video went viral shortly after being posted on YouTube in mid-July. It has since notched up more than 270 million views on the video-sharing site. (Credit: KIM JAE-HWAN/AFP/GettyImages)