한 Katelyn Katelyn (Katelyn) is a South Korean Female Artist(Born in Philippines). She started in group AtHeart. Read All General Information International Stage Name : Katelyn Domestic Stage Name : Katelyn Full Name : Katelyn Tan Pronounce Date of Birth : 2007-07-24 (age 19) Zodiac : Leo Country of Birth : Philippines Related Artists : AtHeart Original group : AtHeart Solo Videos In Plot TwistBy AtHeart In Good GirlBy AtHeart Images