[Video] Girl's Day's Sojin covers Christina Aguilera's Beautiful on Superstar K3 Social Club! Girl's DayDKPOPNEWS OfficialDec 31, 2011 Share 0 comments Girl's Day's Sojin showcases her outstanding vocal ability on Superstar K 3 social club,check out her singing clip below,did she impress? Tags: Girl's day, Kpop, Sojin, Video Share Previous articleNext article Leave a comment Name Email Content Post comment