AllDay Project (Korean: 올데이 프로젝트, stylized in all caps) 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.
Name
The name "AllDay" was chosen after American music producer Will.i.am of co-ed group Black Eyed Peas reportedly came up with the word upon seeing the five members.[1] On June 22, 2025, AllDay Project announced the name of their official fan club as "Day One", symbolizing "the Day One fan" who will join the group from the beginning and continue with them on an infinite journey.[2]
History
Pre-debut activities
In early 2024, leaked photos of The Black Label trainees went viral, featuring Ella Gross, Bailey Sok and Annie Moon, among others, causing speculation that they were preparing to debut, though only Gross was confirmed to be under the label.[3] Bailey Sok was notable for her work as a choreographer,[4] and Annie Moon was known for being the granddaughter of Shinsegae chairwoman Lee Myung-hee.[5] Later that year, The Black Label debuted their first girl group, Meovv, which included only Gross of the three.[6]
In 2023, Youngseo was a contestant on R U Next?, a competition show held by Belift Lab to determine the members of what would become Illit. Youngseo placed second, earning a spot in the group, though departed from Illit and Belift Lab before they debuted.[7]Woochan was also known for appearing on a competition show, having appeared on Show Me the Money 6 in 2017, when he was 12.[8] He went on to train with Big Hit Music as a member of Trainee A, a project to determine a new boy group.[9]Tarzzan had experience prior to AllDay Project as a model and modern dancer, appearing in the music videos for NewJeans's "Supernatural" and I-dle's "I Do".[10][11]
2025–present: Introduction and debut with Famous
On June 6, 2025, The Black Label announced it would be debuting its first co-ed group.[12] AllDay Project is the second group formed by the label, after Meovv's debut in 2024.[13] On June 16, the group released the music video for "Famous", serving as the lead single for their debut single album of the same name.[14]Famous was officially released on June 23, alongside the album's second single, "Wicked".[14][15] On July 3, the group won their first music broadcast trophy in 10 days since debut on M Countdown with "Famous".[16]
^Oh, Seorin (June 23, 2025). "혼성그룹 올데이 프로젝트, 영서→애니 드디어 데뷔…공식 팬덤명도 발표" [Mixed-gender group AllDay Project officially debuts with Youngseo → Annie... Official fandom name also revealed]. Top Star News. Retrieved June 30, 2025.
^Hwang, Hye-soo (June 30, 2017). '쇼미더머니6' 개코, 13세 조우찬에 "배팅 한 번 해보자" ['Show Me the Money 6' Gaeko, 13-year-old Jo Woo-chan, "Let's make a bet"] (in Korean). News1. Archived from the original on January 25, 2022. Retrieved January 22, 2022 – via Naver.
^Ra, Hyo-jin (June 9, 2025). "'테디 표' 새 아이돌 그룹 멤버 5인 정보" ['Teddy' New Idol Group Member Information of 5 Members]. Elle Korea (in Korean). Archived from the original on June 26, 2025.
^Ki, Jung-ah (June 9, 2025). "더블랙레이블 혼성그룹 '올데이 프로젝트' 멤버 공개…조우찬·영서·문서윤 등" [The Black Label Co-ed Group 'All Day Project' Members Revealed… Jo Woo-chan, Young-seo, Moon Seo-yoon, etc.]. 이투데이 (in Korean). Archived from the original on June 26, 2025.