Kim Siyoon, on stage known as Siyoon, is a South Korean singer, rapper, model and dancer. Prior to her debut with the kpop girl group Billlie in 2021, Siyoon participated in the Kpop talent show Star 5 and also modelled magazine Popteen.
Stage name (international)Siyoon
Name (international)Kim Siyoon
Date of birth16.02.2005