Related Information for Seohyun Seo Joo-hyun (stage name: Seohyun; Hangul: 서현; born June 28, 1991 in Seoul, South Korea) is a South Korean idol singer, pianist, model, spokesmodel, and member of the South Korean idol group, Girls' Generation and its sub-unit, TaeTiSeo.Discovered at the "2003 SM Casting System," Seohyun is the "maknae" or youngest of the group, and was an SM Entertainment trainee for six years and six months. She is currently an MC of "Show! Music Core" along.. read more