Bibi

Kim Hyung-seo (Korean: 김형서, born September 27, 1998), known professionally as Bibi (Korean: 비비; stylised BIBI in all caps), is a South Korean singer, rapper, songwriter, and actress under 88rising.
Kim Hyung-seo was born in Ulsan and spent her teenage years in Changwon. She felt awkward talking to people, so she began to write lyrics about not being able to say what she want to say when she was 15.
Bibi has a younger sister, Kim Na-kyoung, who debuted in the girl group TripleS through one of its sub-units Acid Angel from Asia on October 28, 2022.
In 2017, Bibi signed with Feel Ghood Music after Yoon Mi-rae discovered her self-produced songs on SoundCloud. In 2018, Bibi appeared as a contestant in SBS competition show The Fan, where she eventually finished in second place. She made her official debut with the single "Binu" on May 15, 2019.
In April 2021, Bibi released her second extended play Life is a Bi.... In October, she released a collaboration single "The Weekend" with 88rising. It later peaked at 29 on the Mediabase Top 40 chart, making Bibi the first Korean female soloist to do so. In December, she signed a global promotion deal with 88rising. On November 18, 2022, she released her first studio album Lowlife Princess: Noir.
On February 13, 2024, Bibi released a single titled "Bam Yang Gang". It peaked at number 1 on the Circle Digital Chart, making it her first song ever to do so. Following the single's release and instant success due to a viral singing challenge of users singing the song while eating the chestnut jelly boosted by popular singers such as Lee Hyori, sales of bamyanggaeng also increased by 40% in South Korea.
In 2023, Bibi appeared in the film Hopeless. She was nominated for Best New Actress at the Blue Dragon Film Awards.
Bibi is also well-known for her lead role in television series such as The Worst of Evil (2023).