2015 brought a wave of promising K-pop debuts, but not all of those groups made it to their tenth year. Most of those groups have already disbanded, while some are on indefinite hiatus with no official word on disbandment. A few are reuniting to mark their 10th anniversary, and only a rare handful remain active, celebrating a full decade alongside their fans.
Let’s take a look at some of the popular K-pop groups celebrating their 10th anniversary in 2025:
TWICE
The powerhouse JYP girl group TWICE has been thriving in the industry since their debut on October 20, 2015, and continues to evolve in the industry. This year marks their 10th debut anniversary. ONCEs worldwide can’t wait for the grand celebration of music, sisterhood, and shared memories.
SEVENTEEN
The popular K-pop boy group SEVENTEEN celebrated their 10th debut anniversary with the release of an album on May 26, 2025. This Pledis Entertainment’s 13-member boy group is the gold standard for self-producing idols. Their unity and their consistent chart success make their decade-long journey a triumph worth celebrating.
DAY6
DAY6, the fan-favorite pop-rock boy band from JYP Entertainment, debuted on September 7, 2015. They captured hearts with raw, emotional songwriting and genre-blending music. Despite lineup changes, the group maintains a loyal following, and fans expect a grand 10th anniversary celebration.
OH MY GIRL
OH MY GIRL debuted on April 21, 2015, and became a household name, delivering chart-topping hits. The beloved girl group released the special single “Oh My” on April 9 in order to celebrate their 10th anniversary—a decade-long journey in the industry.
MONSTA X
MONSTA X has built a name through their music and performances. Despite the departure of a member and solo careers emerging, the group remains a force on stage. They celebrated their 10th debut anniversary on May 14, 2025.
GFRIEND
Though officially disbanded in 2021, GFRIEND reunited for a project to celebrate their 10th debut anniversary in January 2025. They released their special album, ‘Season of Memories,’ on January 13 and also held a concert on January 18-19 at the Olympic Hall, South Korea.
iKON
Formed by YG Entertainment, iKON exploded onto the scene on September 15, 2015. Despite the former leader leaving the group and a label change to 143 Entertainment, iKON continues to have an impact on the industry, proving their passion for music and their connection to iKONICs.
N.Flying
N.Flying debuted in South Korea on May 20, 2015, and their musicality, along with chemistry, has kept them steady, and they’ve become a standout band. They released their second studio album, ‘Everlasting,’ to celebrate their 10th year debut anniversary.
CLC
Debuted on March 19, 2015, CLC left behind a legacy of fierce performances and concept versatility. Although not officially disbanded, the members have gone their separate ways. This year, the members reunited to celebrate the group’s tenth debut anniversary and are currently planning for a comeback with a new song.
DIA
MBK Entertainment’s DIA debuted on September 14, 2015, and experienced frequent lineup changes. Despite the odds, they managed to release some fan-favourite tracks before going on an indefinite hiatus in 2022. Though all the members are now in different agencies, DIA hasn’t disbanded yet.
UP10TION
UP10TION debuted on September 10, 2015, under TOP Media. Despite challenges, member changes, and shifting promotional focus, the group earned popularity and a loyal fan base. While the group has been largely inactive, no official disbandment has been announced.
Whether still actively promoting or reuniting for anniversaries, these groups represent a powerful legacy of the class of 2015 in K-pop.
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