AllDay Project (Korean: 올데이 프로젝트, stylized asALLDAYPROJECT), also known asADP,[1] is a South Koreanco-ed group formed and managed byThe Black Label. The group consists of five members:Annie,Tarzzan,Bailey,Woochan, and Youngseo. They debuted on June 23, 2025, with the single albumFamous.
The name "AllDay" was chosen after American music producerWill.i.am of co-ed groupBlack Eyed Peas reportedly came up with the word upon seeing the five members.[2] On June 22, 2025, AllDay Project announced the name of their officialfan 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.[3]
In early 2024, leaked photos ofThe Black Label trainees went viral, featuringElla Gross,Bailey Sok andAnnie Moon, among others, causing speculation that they were preparing to debut, though only Gross was confirmed to be under the label.[4] Bailey Sok was notable for her work as a choreographer,[5] and Annie Moon was known for being the granddaughter ofShinsegae chairwomanLee Myung-hee.[6] Later that year, The Black Label debuted their first group,Meovv, which included only Gross in the line-up.[7]
In 2023, Youngseo was a contestant onR U Next?, a competition show held byBelift Lab to determine the members of what would becomeIllit. Youngseo placed second, earning a spot in the group, though she departed from Illit and Belift Lab before they debuted.[8]Woochan was also known for appearing on a competition show, having appeared onShow Me the Money 6 in 2017, when he was 12.[9] He went on to train withBig Hit Music as a member of Trainee A, a project to determine a new boy group.[10]Tarzzan had experience prior to AllDay Project as a model andmodern dancer, appearing in the music videos forNewJeans's "Supernatural" andI-dle's "I Do".[11][12]
On June 6, 2025, The Black Label announced it would be debuting its firstco-ed group.[13] AllDay Project is the second group formed by the label, after Meovv's debut in 2024.[14] On June 16, the group released the music video for "Famous", serving as the lead single for their debutsingle album of the same name.[15]Famous was officially released on June 23, alongside the album's second single, "Wicked".[15][16] On July 3, AllDay Project won their first music broadcast trophy in 10 days since debut onM Countdown with "Famous".[17] On November 17, the group pre-released their single "One More Time".[18] On December 8, their debutextended playAllDay Project was released alongside the music video for its lead single "Look at Me".[19]
In December 2025,HS Ad revealed AllDay Project as advertising model forIndustrial Bank of Korea's mobile banking application "i-ONE", targetingGen Z customers.[20]
^Ha, Sol-hwi (July 28, 2025).뜯어보면 다 보이는 올데이 프로젝트의 스타일링 포인트!.Vogue Korea (in Korean).Archived from the original on August 4, 2025. RetrievedSeptember 9, 2025.
^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. RetrievedJune 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"].News1 (in Korean).Archived from the original on January 25, 2022. RetrievedJanuary 22, 2022 – viaNaver.
^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.].E Today (in Korean).Archived from the original on June 26, 2025.
^Lee, Da-gyeom (June 24, 2025).NCT 127→올데이 프로젝트, 'SBS 가요대전 서머' 최종 라인업 공개 [NCT 127→AllDay Project, 'SBS Gayo Daejeon Summer' final lineup revealed].Maeil Kyungje (in Korean).Archived from the original on June 24, 2025. RetrievedJune 24, 2025 – viaNaver.
^Park, Se-yeon (September 30, 2025).2025 KGMA 본 투표 1차 종료…부문별 1위 누구? 투표 열기 고조 [2025 KGMA Main Voting 1st Round... Who is number one in each category? Vote openness is high].Ilgan Sports.Archived from the original on October 11, 2025. RetrievedOctober 11, 2025 – viaNaver.
^Ko, Seung-ah (November 30, 2025).지드래곤·스트레이키즈, 대상 영예…홍콩 화재 참사 애도 [2025 마마](종합) [G-Dragon and Stray Kids, Grand Prize Honor... Mourning for the Hong Kong Fire Disaster [2025 Mama] (Comprehensive)].News1 (in Korean).Archived from the original on November 30, 2025. RetrievedNovember 30, 2025 – viaNaver.
^Kang, Bo-ra (November 20, 2025).아이유·지드래곤·로제·플레이브·NCT WISH…'MMA2025', TOP10 후보 30팀 공개 [IU, G-Dragon, Rosé, Plave, NCT WISH… 'MMA 2025' reveals its top 10 candidates: 30 teams].Singles List (in Korean).Archived from the original on November 20, 2025. RetrievedNovember 20, 2025.
^Kim, So-jin (November 25, 2025).베리즈, MMA2025 'Berriz Global Fans' Choice' 온라인 투표 시작 [Berriz Launches Online Voting for MMA2025 'Berriz Global Fans' Choice'].Star News (in Korean).Archived from the original on December 1, 2025. RetrievedDecember 1, 2025.
^Yeo, Kyung-mi (December 1, 2025).글로벌 팬덤이 사랑한 K팝 대표 아이콘 [A representative K-pop icon loved by the global fandom].Forbes Korea (in Korean).Archived from the original on December 1, 2025. RetrievedDecember 1, 2025.
^Han, Sung-hyun (December 21, 2025).2025년 올해의 아티스트와 신인 [2025 Artist of the Year and Newcomer].IZM (in Korean). RetrievedDecember 24, 2025.
