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Kim Se-Jeong (Korean Actress) Wiki, Age, and More



Kim Se-Jeong

Kim Se-Jeong, also known by the stage name Sejeong, is a singer and actress from South Korea. She came in second place on Mnet’s girl group survival show Produce 101, joining the project girl group I.O.I. as a result. She was a part of the female group Gugudan from Jellyfish Entertainment. Her key performances in the television series School 2017 (2017), The Uncanny Counter (2020–2021), and Business Proposal (2022) have made her one of the most well-known solo artists and actresses working today.

Profession:Actress and model
Birthdate:August 28, 1996 
Birthplace:Gimje, North Jeolla Province
Weight:52 kg
Body Measurements:36-24-34
Eye Color:Brown
Hair Color:Brown
Hobbies:Traveling and Shopping
Social Media Presence:Instagram: 9.9 million+ followers

Early Life and Education

Kim Se-Jeong was born on August 28, 1996 in Gimje, North Jeolla Province, but she and her mother and elder brother later relocated to Anyang, Gyeonggi, where they stayed at her aunt’s house. When she was a little child, her parents were divorced, leaving her mother to raise her and her brother by herself. She earlier said that she didn’t get in touch with her dad until the third grade.


Before making her stage debut, Kim participated in track and field competitions in elementary and middle school and was a part of the theatre club at her high school. Kim won the Jellyfish Entertainment tryouts in a 3,000 to 1 ratio competition, and she is now a trainee. At Hanyang Women’s University, Kim is now pursuing a degree in practical music.


At the age of 16, Kim took part in the second season of the reality television series K-pop Star 2 in 2012. While Yang Hyun-suk called Kim back as a wildcard for the casting phase, where she sang a duet of Taeyang’s “I Need A Girl” with fellow competitor Jo Yoo-min, she was unsuccessful in the second round ranking audition. Kim made her musical debut in Return: The Promise of the Day, an original army musical about finding the remains of the brave soldiers who gave their lives fighting for their nation during the Korean War.

Kim made a comeback to television in February 2022, costarring with Ahn Hyo-seop in the SBS romantic comedy Business Proposal. The drama ended up becoming one of the most discussed Korean dramas of the year and scored the greatest audience numbers for a terrestrial Mon-Tue drama in 2022 as well as the fourth most viewed drama on National TV overall. Kim got the Top Excellence Award, Actress in a Miniseries Romance/Comedy Drama, and Best Couple awards for her work in Business Proposal.

Notable Works

  • Galileo: Awakened Universe
  • Busted
  • The Uncanny Counter
  • Business Proposal
  • School 2017
  • Get It Beauty

Net Worth of Kim Se-Jeong

Kim has achieved significant success in the acting industry and has a large following on various social media platform. She has accumulated a considerable net worth. It is estimated that his net worth is about 2-3 million approx (as of 2023). The primary source of her income comes from various factors such as from acting, sponsorships, performances, and other business ventures.

Some interesting facts about Kim Se-Jeong

  • Kim was chosen to represent the event as an ambassador in 2022 in Hanoi, Vietnam.
  • Kim took part in initiatives including the Korea Health Promotion and Development Institute’s “Online Smoking Cessation” campaign.
  • She, who served as the primary vocalist for both I.O.I. and Gugudan, is renowned for both her powerful yet gentle voice and the songs she writes that are meant to soothe the soul.
  • Kim is noted for her physical prowess and toned figure in addition to her work in singing and acting.
What is the age of Kim Se-Jeong?

The age of Kim Se-Jeong is 27 years.

What is the net worth of Kim Se-Jeong?

The net worth of Kim Se-Jeong is estimated to be 2-3 million.

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