[ASKKPOP] The Girls' Generation member to sing a duet with Heejun unveiled

Previously, singerHeejunrevealed that he'd be working with aGirls' Generationmember for a special duet!

However, he did not reveal the identity, just dropping hints to agonize fans who made guess after guess.  Now the Girls' Generaiton member is revealed to be none other than "twinkling" memberTiffany!

SM Entertainmentconfirmed this withOSENtoday, saying, "The singer collaborating with Heejun is Tiffany."

Their duet track will be out on May 15!