K-pop idols born on September 21

4 idols in our database share this birthday, listed from oldest to youngest. Zodiac sign: Virgo.

D-Unit · September 21, 1987

Exo-CBX, EXO, SM the Ballad, EXO-M · September 21, 1992

AOA · September 21, 1993

Billlie · September 21, 2002