G20 Lets Go Gyuri ( KARA), Seohyun ( SNSD), Junsu (2 PM), Changmin (2 AM), Jaekyung ( Rainbow), Jonghyun ( SHINee), Sungmin ( Super Junior), Kahi ( After School), Luna (f(x)), Ji Eun ( SECRET), Junhyung ( B2 ST), Gayoon (4minute), Min (miss A), G. O ( MBLAQ), Bumkey (2wins), G. NA, Son Dambi, Seo In Kook, IU, and Anna