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Jung Chaeyeon (DIA and I.O.I Chaeyeon)

DIA and I.O.I’s Member and Actress Jung Chaeyeon Profile, Drama, Facts, and TMI

Jung Chaeyeon profile drama facts tmi

Jung Chaeyeon Profile

  • Birth Name: 정채연 (Jung Chaeyeon)
  • Stage Name: Jung Chaeyeon
  • Nationality: South Korean
  • Date of Birth: 1997.12.01
  • Zodiac Sign: Sagittarius
  • Chinese Zodiac: Ox
  • Height: 166 cm (5’4)
  • Weight: 49 kg (108 lbs)
  • Blood Type: A
  • Agency: Pocketdol Studio
  • Personal Social Media: Instagram

Jung Chaeyeon Facts & TMI

  • Jung Chaeyeon was born in Suncheon, Jeollanam-do.
  • His family consists of mother, father, and an elder sister Jung Siyeon (born 1995).
  • Her religion is Christian.
  • She debuted as a member of MBK Entertainment’s girl group DIA (Do It Amazing).
  • Chaeyeon is the center, visual, and sub-vocalist of DIA and later I.O.I.
  • Jung Chaeyeon and fellow DIA member Ki Heehyun joined the survival program ‘Produce 101’ in 2016.
  • Before joining ‘Produce 101’ she was the youngest member of DIA who is also in charge of doing aegyo.
  • Chaeyeon’s visual received hot responses from the viewers of ‘Produce 101. She was voted 2nd as the most beautiful trainee by fellow ‘Produce 101’ contestants.
  • She finished at 7th in the final night of ‘Produce 101’ and eventually debuted as a member of the project group I.O.I.
  • She graduated from the Department of Broadcasting, School of Performing Arts Seoul.
  • Among I.O.I and DIA fans, she is known for being slow-witted and always looks confused. She is often seen spacing out. Thanks to these cute(?) personality traits, fans nicknamed her Blank-Chaeyeon.
  • Before her official debut, she appeared in former labelmate Ham Eunjung’s solo album teaser photo.
  • Chaeyeon is raising three puppies called Oyangchi (Bichon frisé), Mong-i (Poperanian), and Meoru (Poodle).
  • She is also participating in songwriting and composing DIA’s songs.
  • In 2018, she became the MC of Inkigayo alongside SEVENTEEN’s Mingyu and actor Song Kang for approximately a year.
  • She was one of the most popular members in I.O.I.
  • In 2016 Jung Chaeyeon made a TV drama debut in tvN’s ‘Drinking Solo’ after appearing as an extra in NaverTV web drama ‘Sweet Temptation’ in 2015.
  • She has been receiving positive reviews for her acting.
  • She received various advertisement deals after I.O.I concluded group activities. She has modeled for more than 15 brands throughout her career.
  • She took the SAT test in 2015with teammates Yebin and Eunjin.
  • It is said that she was a smart student during her school days.
  • She claimed to be good at operating computers.
  • She has flawless skin that her agency doesn’t even send her to skincare clinics.
  • She shared that she doesn’t like salty foods, she loves sweets food such as chocolate.
  • She is good at drinking.
  • It seems like she loves wearing white clothes.
  • Many fans think that she resembles Pikachu.
  • Among the I.O.I members, Chaeyeon and Chungha are said to have the weakest physical strength.
  • One of her favorite beverages is strawberry latte.
  • Chaeyeon was the mom figure in I.O.I, fellow I.O.I members Somi and Yujeong even called her mama.
  • She went viral for her tsundere acting in the gag show ‘Saturday Night Live’.
  • It is reported that she received 200.000.000 won advertisement deal with local jewelry brand LAMUCHA>
  • She mostly maintains black hair and did not dye her hair.
  • In 2021 Jung Chaeyeon was named one of the seven New Generation Idol-Actors by South Korean leading film magazine Cine21.
  • Among her nicknames are Chaen, ChaenMom, Blank Chaeyeon, Noryangjin Nuclear Beauty, Smart Chaeyeon, Drinker, ChaenChaengi, Human Sakura, etc.
  • Her clothing sizes are: 33 for tops, 22 for bottoms, 230 mm for shoes.


‘Live Again, Love Again’ as Yoon Hee (2018)

TV Series

‘Drinking Solo’ as Jung Chaeyeon (2016)
‘Reunited Worlds’ as Young Jung Jung Won (SBS/ 2017/ Episode 1, 2, 4, 5, 8, 11, 16, 40)
‘Marry Me Now’ as Young Lee Mi Yeon (KBS2/ 2018/ Episode 1, 4–10, 44)
‘To. Jenny’ as Kwon Na Ra (KBS2/ 201)
‘My First First Love’ as Han Song Yi (Netflix/ 2019)
‘Homemade Love Story’ as Herself (KBS2/ 2020/ Cameo)
The King’s Affection‘ as Noh Ha Kyung (KBS2/ 2021)

Web Series

‘Sweet Temptation’ as Ah Mi (Naver TV Cast/ 2015/ Extra)
Happy Ending‘ as Jung Chaeyeon (Naver TV Cast/ 2016)
109 Strange Things’ as Shin Ki Won (Naver TV Cast/ 2017)
‘I AM’ as Annie (Naver TV Cast/ 2017)

Variety Show

Produce 101’ (Mnet/ 2016/ Contestant, finished at 7th rank)
‘Go Go Mr.Paik!’ (tvN/ 2016/ Cast member)
‘Battle Trip’ (KBS2/ 2017/ Special MC, episode 65–67)
‘Law of the Jungle in Patagonia’ (SBS/ 2018/ Cast member)
‘Inkigayo’ (SBS/ 2018-2019/ Host)
‘The Barber of Seville’ (MBC/ 2019/ Cast member)


I’m Good‘ by Elsie aka Ham Eunjung ft. K.Will (2015)
Ulsanbawi‘ by Kim Heechul and King Jungmo (2016)
Flower, Wind, and You‘ by Ki Hee Hyun, Chungha, Yoojung, Somi (2016)
Super Super Lonely‘ by DinDin (2017)
Serenade‘ by Jeon Woo Sung of NOEL (2018)

If you have more fun facts about Jung Chaeyeon, write down in the comment section below!

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Written by StumbledUpon99

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