Today, October 20, 2026, marks exactly eleven years since TWICE debuted — the nine-member girl group is celebrating its 11th debut anniversary with the fan party 'ONCE UPON A THRI11', held just days ago on October 17. Formed through Mnet's survival show Sixteen and launched by JYP Entertainment, TWICE — Nayeon, Jeongyeon, Momo, Sana, Jihyo, Mina, Dahyun, Chaeyoung and Tzuyu — has grown into one of the most successful K-pop acts in history.
Often hailed as "The Nation's Girl Group," TWICE built its legacy on irresistible hooks, razor-sharp choreography and a warmth that won over fans across South Korea, Japan and the world. With their devoted fandom, ONCE, the group has stacked up chart records, stadium tours and history-making firsts over more than a decade. Here is the full TWICE biography: the members, their ages, their career, their biggest songs and the facts that make them stand out.
TWICE Biography & Members
Group: TWICE
Members (9): Nayeon, Jeongyeon, Momo, Sana, Jihyo, Mina, Dahyun, Chaeyoung, Tzuyu
Formed: 2015, through Mnet's survival show Sixteen (May–July 2015)
Debut: October 20, 2015 — EP The Story Begins, led by the single "Like Ooh-Ahh"
Label: JYP Entertainment, Warner Music Japan, Republic Records (US, from 2020)
Fandom: ONCE
The group name means TWICE will touch people's hearts "twice: once through the ears, and once through the eyes." On Sixteen, seven finalists won their spots — Nayeon, Jeongyeon, Sana, Jihyo, Mina, Dahyun and Chaeyoung — while Tzuyu was added as the audience's pick and Momo as J.Y. Park's pick, completing the nine-member lineup.
TWICE members and ages (as of October 20, 2026): Nayeon (born September 22, 1995 — 31), Jeongyeon (born November 1, 1996 — 29), Momo (born November 9, 1996, Japan — 29), Sana (born December 29, 1996, Japan — 29), Jihyo (born February 1, 1997 — 29; group leader), Mina (born March 24, 1997, Japan — 29), Dahyun (born May 28, 1998 — 28), Chaeyoung (born April 23, 1999 — 27), Tzuyu (born June 14, 1999, Taiwan — 27). The lineup is made up of 5 Korean, 3 Japanese and 1 Taiwanese member.
Career & Highlights
Their breakthrough came in 2016 with "Cheer Up," which topped the Gaon chart, became the best-performing Korean single of the year and won Song of the Year at both the Melon Music Awards and the MAMA Awards. Follow-up "TT" topped Gaon for four straight weeks, cementing the group's dominance.
TWICE debuted in Japan on June 28, 2017 with the compilation #Twice, which peaked at No. 2 on the Oricon chart. They became the first Korean girl group to earn an RIAJ Platinum certification for both an album and a single in the same year, and the first Korean girl group to hold a Japanese dome tour, in 2019.
Their first English single, "The Feels" (2021), gave them their first Billboard Hot 100 entry at No. 83. Their 13th EP, With You-th (2024), topped the Billboard 200, and their fourth studio album, This Is For (July 11, 2025), became their seventh consecutive Billboard 200 Top 10 — a first for a K-pop girl group.
TWICE became the first K-pop act to headline Lollapalooza Chicago (August 2025) and the first K-pop female group to appear at the Victoria's Secret Fashion Show (October 2025). Their This Is For World Tour ran 81 shows across 44 cities in 19 countries, ending July 12, 2026 at the KSPO Dome — with the North American leg drawing 550,000 fans and the Japan leg 640,000, according to reports.
The group's 10th anniversary was marked by TEN: The Story Goes On (October 2025), followed by the 4-disc, 50-track TWICE BEST ALBUM #BEST 2015-2025 (August 26, 2026) and the live vinyl <THIS IS FOR> WORLD TOUR FINALE in SEOUL – LIVE (October 16, 2026), a 28-track set.
In 2026, the Jeongyeon, Jihyo and Chaeyoung version of "Takedown" for K-Pop Demon Hunters reached No. 50 on the Hot 100, with "Strategy" at No. 51. NAYEON is set to perform at the 2026 MAMA Awards Chapter 2 on November 21 at the Kyocera Dome Osaka. The 11th-anniversary fan party 'ONCE UPON A THRI11' was held on October 17, 2026, alongside the 'TWICE THE THRILL' pop-up in Seoul (October 17–25). The sub-unit MiSaMo — Momo, Sana and Mina — debuted in Japan in 2023, and members have gone solo too: Nayeon with Im Nayeon (2022) and Tzuyu with abouTZU (2024).
TWICE Discography
Selected albums and EPs from 2015–2026:
- The Story Begins (EP, 2015)
- TWICEcoaster: Lane 1 (EP, 2016)
- #Twice (Japanese compilation, 2017)
- With You-th (EP, 2024)
- This Is For (4th studio album, 2025)
- TEN: The Story Goes On (2025)
- TWICE BEST ALBUM #BEST 2015-2025 (2026)
Watch the Official Video
Watch the official "TT" music video below, from the official JYP Entertainment YouTube channel.
Frequently Asked Questions
Why is October 20, 2026 special for TWICE?
October 20, 2026 is TWICE's 11th debut anniversary — exactly eleven years since they debuted on October 20, 2015 with The Story Begins and "Like Ooh-Ahh." They marked the milestone with the 'ONCE UPON A THRI11' fan party on October 17, 2026 and the 'TWICE THE THRILL' pop-up in Seoul.
Who are the 9 members of TWICE?
The nine members are Nayeon, Jeongyeon, Momo, Sana, Jihyo, Mina, Dahyun, Chaeyoung and Tzuyu, with Jihyo as the group's leader. The lineup includes five Korean, three Japanese and one Taiwanese member.
What are TWICE's biggest songs?
Their signature hits include "Like Ooh-Ahh," "Cheer Up," "TT," "Fancy," "Feel Special," the English singles "The Feels" and "Moonlight Sunrise," and 2025's "This Is For."
What is TWICE doing now?
Fresh off the This Is For World Tour, which ended July 12, 2026 at the KSPO Dome, TWICE are celebrating their 11th anniversary with the 'ONCE UPON A THRI11' fan party and the 'TWICE THE THRILL' Seoul pop-up, and NAYEON performs at the 2026 MAMA Awards Chapter 2 on November 21, 2026.
Keep exploring K-pop on LatestLyrics: read our BLACKPINK biography, Stray Kids biography, KATSEYE biography and Jungkook biography, plus our coverage of the 2026 MAMA Awards nominations.
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