Whichisthemostpopularsongintheworldnow?Yes,it'sSouthKor...
问题详情：Whichisthemostpopularsongintheworldnow?Yes,it'sSouthKoreanstarPSY's'Gangnamstyle'video.ThevideohasbeatenJustinBieberandhasbecomethemostlikedvideoonYouTube.Infact,breakingrecords,thevideoha...