Lee Jae-hee

Lee Jae-hee (Weeekly) Profile

Photo of Lee Jae-hee (Weeekly)

Who is Lee Jae-hee Weeekly?

Lee Jae-hee (이재희), born March 18, 2004, is a South Korean singer, rapper, and former child actress. She is best known as a member of the K-pop girl group Weeekly, where she serves as the lead rapper and vocalist. Jaehee is loved by fans for her vibrant energy, acting skills, and dedication to her craft.

Lee Jae-hee (Weeekly) – Biodata

Lee Jaehee Weeekly biodata table including full name, stage name, birthday, MBTI, height, blood type, and more.

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Lee Jae-hee (Weeekly) – Biography

Complete biography of Lee Jaehee, lead rapper and vocalist of K-pop girl group Weeekly. Learn about her early life, acting debut, idol journey, and more.

Lee Jae-hee (이재희), born on March 18, 2004, in Goyang-si, Gyeonggi-do, South Korea, is a South Korean singer, rapper, and actress. She is best known as the lead rapper and a vocalist of the K-pop girl group Weeekly, which debuted in 2020 under IST Entertainment (formerly FAVE Entertainment).

Early Life and Childhood

Jaehee was raised in Goyang and developed an early interest in entertainment and performing arts. Her charming personality and expressive face naturally led her into child modeling and acting at a young age. She was introduced to the entertainment industry when she was just eight years old.

Career as a Child Actress

Before debuting as a K-pop idol, Jaehee was active as a child actress. She gained experience working in various dramas and films, showcasing strong on-screen presence. Her notable appearances include:

• The Fatal Encounter (2014)
• Detective K: Secret of the Lost Island (2015)
• Modern Farmer (2014)
• My Little Baby (2016)

These roles allowed her to cultivate her emotional range and work with many respected actors, further fueling her desire to remain in the entertainment industry.

Becoming a Trainee and Joining FAVEGIRLS

Jaehee joined FAVE Entertainment as a trainee in 2017. She became part of the agency’s pre-debut group known as FAVEGIRLS, where she trained in singing, dancing, and stage performance. Her background in acting helped her stand out with charismatic expressions and versatility. She was officially revealed as the final member of the lineup in October 2018.

Debut with Weeekly

On June 30, 2020, Jaehee debuted as a member of the seven-member girl group Weeekly with their first mini-album, We Are, and the lead single “Tag Me (@Me)”. The group gained attention for their youthful concept and catchy melodies. As the lead rapper and sub-vocalist, Jaehee contributed her vocal tone and dynamic energy to performances and music videos.

Weeekly quickly earned rookie awards and praise from fans and critics alike, cementing their position as one of the most promising 4th generation girl groups.

Education

Jaehee graduated from the School of Performing Arts Seoul (SOPA), a well-known institution that has educated many K-pop idols and actors. She majored in the Department of Theatre & Film, reflecting her dual interest in music and acting.

Personality and Hobbies

Jaehee is described by fans and fellow members as bright, humorous, and optimistic. She enjoys swimming, making slime, and watching movies. Her MBTI personality type is ENFJ, indicating leadership qualities and strong empathy for others. She has the nickname “Lee Jelly” due to her love for jelly candies, and her English name is Monica.

Recent Activities

Following the group’s releases and promotions through 2022 and 2023, Jaehee has continued to participate in various variety shows, fan meetings, and digital content for fans. In February 2024, IST Entertainment announced all Weeekly members had departed the company. As of 2025, fans await news of Jaehee’s next steps, whether continuing with the group or pursuing acting or solo music.

Legacy and Influence

Lee Jae-hee’s unique journey from child actress to K-pop idol sets her apart in the entertainment industry. She embodies the rare combination of natural talent, trained skill, and youthful charm. Whether on stage or screen, her future shines bright as she continues to evolve as an artist and entertainer.

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Lee Jae-hee (Weeekly) – Discography

Full discography of Lee Jae-hee as a member of Weeekly. Explore albums, singles, and soundtrack appearances from her K-pop career.

This discography covers Lee Jae-hee’s musical releases as a member of the South Korean girl group Weeekly under IST Entertainment from 2020 to 2024.

Mini Albums

• We Are (June 30, 2020)
  • Tag Me (@Me)
  • Universe
  • Hello
  • Reality
  • Unnie
• We Can (October 13, 2020)
  • Zig Zag
  • Weekend
  • My Earth
  • Top Secret
  • Boom Chi Ki
• We Play (March 17, 2021)
  • After School
  • Yummy!
  • Lucky
  • Butterfly
  • Lucky (Instrumental)
• Play Game: Holiday (August 4, 2021)
  • Holiday Party
  • Weekend
  • Check It Out
  • La Luna
  • Memories of Summer Rain

Single Albums

• Play Game: AWAKE (March 7, 2022)
  • Ven para
  • Solar
  • Where Is My Love?

Digital Singles

• Good Day (Special Track) – Released for their 1st debut anniversary (June 30, 2021)

OST & Collaborations

• “Boom Chi Ki” – featured in *Rebound* OST (2023)
• Weeekly members appeared on various K-drama OST compilation albums, but Jaehee has not released a solo OST as of 2025.

Other Notable Releases

• “Seven Days Tension” – OST for web drama *7FATES: CHAKHO* (2022, Group Performance)
• “Love” – KCON Stage Release (Live)

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Lee Jae-hee (Weeekly) – Filmography

Complete filmography of Lee Jaehee including TV dramas, films, and variety shows as both child actress and K-pop idol.

Lee Jae-hee began her career as a child actress before debuting in K-pop. Below is a list of her work in TV dramas, films, web series, and variety content.

Television Dramas

• Modern Farmer – SBS (2014)
• My Little Baby – MBC (2016)
• The Queen’s Classroom – MBC (supporting role) (2013)

Films

• The Fatal Encounter – Historical action drama (2014)
• Detective K: Secret of the Lost Island – Comedy-mystery period film (2015)

Web Series / Online Appearances

• Weeekly Idol Series – Various episodes on YouTube & 1theK (2020–2023)
• 1theK Originals – Group guest appearances (2020–2023)
• STUDIO Lululala “PlayM Girls” – Pre-debut reality docuseries (as FAVEGIRLS member) (2019)

Variety Shows & Music Programs

• Weekly Idol – MBC every1 (multiple appearances, 2020–2022)
• Idol Room – JTBC (special K-pop segment) (2020)
• M Countdown, Music Bank, Inkigayo – Regular appearances for comeback stages (2020–2022)

Commercials & Modeling

• Kidswear & Print Ads – Modeled for children’s brands pre-debut (2012–2015)
• School Uniform CF – With Weeekly (Smart Uniform) (2021)

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Interesting & Fun Facts About Lee Jae-hee (Weeekly)

Interesting and fun facts about Lee Jae-hee, a member of the K-pop girl group Weeekly.

• Lee Jae-hee was born on March 18, 2004, in Goyang, Gyeonggi-do, South Korea.
• She began her career as a child actress, appearing in several TV dramas and films before transitioning to idol life.
• Her nickname is “Lee Jelly” because she loves jelly candies.
• Her English name is Monica, which she chose herself.
• She has an MBTI personality type of ENFJ — often called the “Protagonist” type.
• Jaehee graduated from the School of Performing Arts Seoul (SOPA), majoring in Theatre & Film.
• She enjoys swimming, watching movies, and making slime in her free time.
• She dislikes mushrooms and tomatoes.
• Jaehee was officially introduced as the final member of FAVEGIRLS (pre-debut lineup of Weeekly) in October 2018.
• She debuted as a member of Weeekly on June 30, 2020, with the mini-album We Are.
• Her official positions in Weeekly are lead rapper and vocalist.
• She’s known for her bright and bubbly personality, often bringing laughter to the group and fans alike.
• Among Weeekly members, she is admired for her ability to memorize scripts and express emotion well due to her acting background.
• She participated in commercials and modeled for children’s clothing brands before becoming a trainee.
• She enjoys using diaries and planners to stay organized.
• Her favorite colors include yellow, pink, white, and purple.
• Her favorite season is spring.
• She dreams of becoming a successful idol and actress who can inspire others.
• Jaehee is known for her artistic flair and has good drawing skills.
• As of early 2024, she and the other Weeekly members officially departed from IST Entertainment.

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Lee Jae-hee (Weeekly) – Social Media Accounts

List of official social media accounts of Lee Jae-hee from Weeekly, including Instagram and group channels.

• Personal Instagram: @jaehee.weeekly
• Weeekly Official Instagram: @_weeekly
• Weeekly Official Twitter (X): @_Weeekly
• Weeekly Japan Twitter: @weeekly_jp
• Weeekly YouTube Channel: youtube . com/c/Weeekly
• Weeekly TikTok: @_weeekly

Note: Some links may be inactive if managed by IST Entertainment. Last updated: June 2025.