ANNIE
ALLDAY PROJECT · Rapper · Songwriter
Photo : THEBLACKLABEL
Profile
ANNIE is a rapper and creative contributor to ALLDAY PROJECT, the five-member co-ed K-pop group formed by THEBLACKLABEL. Born Moon Seo-yoon on January 23, 2002, she began her recording career with the group’s double-title debut single FAMOUS and WICKED on June 23, 2025.
Annie studies Art History and Visual Arts at Columbia University. In January 2026 THEBLACKLABEL announced that she would attend the spring semester in New York while coordinating her activities around the group’s schedule. She returned for the September 2026 release of the second EP CRASH.
Her writing credits include the debut track WICKED, the first EP title track LOOK AT ME and WHERE YOU AT, a two-member unit recording with WOOCHAN on the group’s December 2025 EP. A unit song is not an independently marketed ANNIE solo album or single.
She has also appeared in magazine photography and promotional events. These individual appearances are documented as personal activities, whereas music awards earned by ALLDAY PROJECT are attributed to the whole group.
Career Milestones & Individual Activities
September 28, 2026 · CRASH
Participated in the second ALLDAY PROJECT EP and its promotional performances.
January–May 2026 · Columbia studies
Returned to Columbia University for the spring semester as announced by THEBLACKLABEL.
December 8, 2025 · WHERE YOU AT
Performs a two-member group EP unit track with WOOCHAN, distinct from a separate solo release.
June 23, 2025 · Group debut
Debuted with ALLDAY PROJECT as a rapper and songwriter.
Personal SNS
Member News & Further Reading
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Fact check: October 26, 2026. Group and subunit songs are not counted as an independent solo debut. No fan-managed accounts included.