AllDay Project
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AllDay Project is a South Korean co-ed group formed and managed by The Black Label. The group consists of five members: Annie, Tarzzan, Bailey, Woochan, and Youngseo. They debuted on June 23, 2025, wi
AllDay Project in January 2026 L–R: Youngseo, Woochan, Annie, Tarzzan, and Bailey
Youngseo
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Lee Young-seo, known mononymously as Youngseo, is a South Korean singer. She is a member of the South Korean co-ed group AllDay Project under The Black Label. Youngseo first gained public recognition
AllDay Project
…to ADP) is a South Korean co-ed group formed and managed by The Black Label. The group consists of five members: Annie, Tarzzan, Bailey, Woochan, and Youngseo. They debuted on June 23, 2025, with the single album Famous. The name "AllDay" was chosen after American music producer Will.i.am of co-ed group Black…
Youngseo in September 2025