Andrew Garfield, Madonna, and More Go Gangnam Style!
Description:Hollywood is Psy-ched out! Just this week, "Gangnam Style" went vogue when the K-pop star was invited on stage with Madonna, and Andrew Garfield followed in Britney Spears's footsteps when he showed off some of Psy's signature moves for charity on The Ellen DeGeneres Show. In this PopSugar Rush, we've rounded up all the best star-studded "Gangnam Style" moments so far!(2:04)