Stage Name: BIBI (비비) / nakedbibi

Birth Name: Kim Hyung-seo (김형서)

Nationality: Korean

Birthday: September 27, 1998

Height: 168cm(5'5")

Fandom name: pookïe

Kim Hyung Seo, better known by her stage name BIBI, is a South Korean solo rapper, singer, songwriter, and actress managed by FeelGhood Music. She debuted with the single BINU on May 15, 2019.

BIBI debuted in acting in the 2021 movie Whispering Corridors 6: The Humming. She was nominated for Best New Actress at the Blue Dragon Film Awards for the movie Hopeless.