The global K-pop landscape is constantly evolving, with new stars emerging and making their mark on the international stage. In a significant nod to the genre’s enduring power and future trajectory, three highly anticipated groups — CORTIS, KATSEYE, and GIRLSET — have been named to Billboard’s prestigious “21 Under 21” list for 2026. This recognition isn’t just a win for these individual acts but a clear indicator of K-pop’s continued expansion and influence across the globe.
For those unfamiliar, Billboard’s “21 Under 21” list spotlights young artists and industry figures poised to shape the future of music. It’s a forward-looking compilation, identifying individuals and groups under the age of 21 (at the time of eligibility) who are already demonstrating significant impact and potential. To have three distinct K-pop and K-culture-adjacent acts featured on such a prominent global list speaks volumes about their current buzz and the industry’s belief in their forthcoming success.
Let’s dive into who these future trendsetters are. CORTIS, HYBE’s highly anticipated new boy group, has been generating immense excitement even before their official debut. Their inclusion on this list underscores the immense faith placed in HYBE’s next generation of male idols, following the groundbreaking success of groups like BTS and TXT. Fans are eagerly awaiting their official activities, expecting a fresh sound and powerful performances that will undoubtedly resonate worldwide.

Next up is KATSEYE, the global girl group formed through the HYBE x Geffen Records collaboration, The Debut: Dream Academy. Their journey captivated audiences worldwide, showcasing diverse talent and a global vision from the outset. KATSEYE represents a unique hybrid model, blending K-pop training and production with an international approach, specifically targeting Western markets. Their presence on the “21 Under 21” list highlights the potential of this cross-cultural venture to break new ground and appeal to a truly global audience.
Rounding out this impressive trio is GIRLSET, YG Entertainment’s new girl group. Carrying the legacy of iconic groups like 2NE1 and BLACKPINK, GIRLSET faces high expectations. Their inclusion signifies that YG’s strategic planning and their members’ raw talent are already being recognized by major industry players. As a powerhouse in producing distinct concepts and charismatic artists, YG’s latest offering is clearly on track to make a substantial splash.
This triple recognition by Billboard not only elevates the profiles of CORTIS, KATSEYE, and GIRLSET but also reinforces K-pop’s status as a global music phenomenon that consistently produces groundbreaking talent. It’s a testament to the meticulous training systems, innovative strategies of major entertainment companies, and the sheer dedication of the artists themselves. The future of K-pop looks brighter than ever, with these young stars leading the charge into 2026 and beyond. Get ready to witness their impact!

Quick Facts
- CORTIS, KATSEYE, and GIRLSET have been included in Billboard’s “21 Under 21” list for 2026.
- Billboard’s “21 Under 21” list recognizes young artists and industry figures shaping the future of music.
- CORTIS is HYBE’s new boy group, KATSEYE is a global girl group from HYBE x Geffen, and GIRLSET is YG Entertainment’s new girl group.
- This recognition highlights K-pop’s growing global influence and the potential of these emerging acts.
Source: Soompi (General) (https://www.soompi.com/article/1860002wpp/cortis-katseye-and-girlset-make-billboards-21-under-21-list-for-2026)