Annabelle Shim, or more popularly known as Belle (벨), is a Korean-American singer-songwriter under S2 Entertainment and AURA. She is the main vocalist of the girl group KISS OF LIFE. Prior to her debut as an idol, she already had credits for writing and composing for artists such as (G)-IDLE's Miyeon, LE SSERAFIM, and Purple Kiss. She is also recognized for lending her voice as background vocals for Child by NCT's Mark.