HomeStatisticsSingerSei (Weki Meki) Height, Weight, Age, Body Statistics

Sei (Weki Meki) Height, Weight, Age, Body Statistics

Sei Quick Info
Height 5 ft 4 in
Weight 51 kg
Date of Birth January 7, 2000
Zodiac Sign Capricorn
Hair Color Black

Sei is a South Korean vocalist and rapper who is famous for being one of the 8 members of the girl group, Weki Meki (2017-Present) along with Ji Su-yeon, Kim Do-yeon, Lucy, Rina, Lua, Choi Yoo-jung, and Elly. She has more than 200k followers on Instagram.

Born Name

Lee Seo Jeong

Nick Name

Sei, Seo, Organic Sei, Ssei, Seo-san

Sei as seen in October 2020
Sei as seen in October 2020 (Sei / Instagram)

Sun Sign


Born Place

Ansan, Gyeonggi, South Korea


South Korean



Sei has graduated from Theos High School.


Vocalist, Rapper


  • Siblings – She has an older brother.


K-Pop, Pop Rap, Bubblegum Pop




  • Fantagio Music
  • LOUDers Entertainment




5 ft 4 in or 162.5 cm


51 kg or 112.5 lbs

Sei as seen taking a selfie in March 2020
Sei as seen taking a selfie in March 2020 (Sei / Instagram)

Race / Ethnicity


Hair Color


However, she dyes her hair frequently.

Eye Color

Dark Brown

However, she is often seen in light-colored contact lenses.

Sexual Orientation


Distinctive Features

Elongated face

Brand Endorsements

Sei has endorsed the brand ‘Aromatica’.

Sei Favorite Things

  • MovieAbout Time (2013)
  • Food – Bibimbap
  • Flavor Of Ice-Cream – Vanilla
  • Summer SongTiki-Taka (99%) by Weki Meki
  • Song From The Album New RulesD-DAY
  • K-Drama SeriesHigh Kick Through the Roof


Sei (right) as seen posing together with Choi Yoo-jung in 2020
Sei (right) as seen posing together with Choi Yoo-jung in 2020 (Sei / Instagram)

Sei Facts

  1. Her life’s theme song would be Happy by Mocca.
  2. Her signature emoji is a seedling.
  3. Sei was the 2nd member to be officially announced as a part of Weki Meki in June 2017.
  4. She can do a spot-on impression of the Minions voice.
  5. Sei was featured in the music video for Astro‘s 2016 single, Confession.
  6. She prefers to consume organic food and use organic products.
  7. She was inspired to pursue singing after listening to Tell Me by the Wonder Girls.
  8. Sei was ranked at #85 while competing on the reality show, Produce 101. Other contestants from the show, Choi Yoo-jung, Kim Do-yeon, and Elly also ended up joining Weki Meki.
  9. Sei contributed to the Star Books campaign that helps underprivileged kids connect with books by reading the children’s book, The Dog, the Cat, and the Magic Marble in 2020.

Featured Image by Sei / Instagram

Did we miss anyone?


Please enter your comment!
Please enter your name here


Subscribe to our Newsletter

Recent Articles