Youngseo
November 13, 2005 (20 years old) in Seoul, South Korea
Lee Young-seo (이영서; born November 13, 2005) is a South Korean trainee. She is best known for being a former pre-debut member of the girl group ILLIT. She is now in the co-ed group AllDay Project
Known For
Credits
- 2025 · MY GRUMPY SECRETARY - THE ASSISTANTS as Self
- 2025 · ALLDAY PROJECT as Self
- 2023 · R U Next? as Self - Contestant
- 2015 · Men on a Mission as Self - Guest