Music · Film · Living
Born: 28 August 1996 · Age: 30
Kim Se-jeong is 30 years old as of October 2026. She was born on 28 August 1996.
South Korean singer from I.O.I and Gugudan who became a television star in The Uncanny Counter and Business Proposal
Did you know?Business Proposal was adapted from a popular webtoon.
Kim Se-jeong rose to fame on Produce 101, where her bright attitude won fans. She sang with I.O.I and Gugudan. She then turned to acting. The Uncanny Counter and Business Proposal were big hits. She is known for her positive image. She continues to release music. Her versatility as a singer and actress has made her one of the most successful graduates of the Produce 101 series. She is admired for her strong vocals.
Kim Se-jeong (Korean: 김세정; born August 28, 1996) is a South Korean singer and actress. She finished second in Mnet's girl group survival show Produce 101, becoming a member of the project girl group I.O.I. She was also a member of Jellyfish Entertainment's girl group Gugudan.
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Profile
South Korean singer and actress, born 1996
Kim Se-jeong was born in Gimje on 28 August 1996.
She was born in Gimje, South Korea.
She was a member of I.O.I and Gugudan.
She starred in the drama Business Proposal in 2022.
Career highlights
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Reviewed by the Who Shares My Birthday editorial team.
Last reviewed: October 2026