Biography
Who is Son Chaeyoung?
Early life and training
Son Chaeyoung was born in Seoul, South Korea, on April 23, 1999. She took an interest in the performing arts at a young age and worked as a model for a children's magazine before pursuing a career in music. She decided she wanted to become a singer and took dance lessons for over a year.
At age 13, she passed auditions and joined JYP Entertainment as a trainee. During her training period, she appeared in music videos for other artists, including Got7's Stop Stop It in 2014 and Miss A's Only You in 2015. She attended Hanlim Multi Art School alongside bandmate Tzuyu, graduating in 2019.
Rise with Twice
In 2015, Son Chaeyoung participated in the reality television competition Sixteen. She ranked sixth place out of the nine available spots, earning her a position in the newly formed girl group Twice as a rapper and singer. The group officially debuted on October 20, 2015, with the release of their first extended play titled The Story Begins.
Son Chaeyoung became the first member of Twice to receive writing credits when she wrote a rap verse for their version of J. Y. Park's Precious Love on the 2016 extended play Page Two. She also contributed to composing for the track How U Doin' on the Japanese album &Twice, designed the limited edition cover of Page Two, and created three different pairs of Spris shoes.
Solo career and music
As a soloist, Son Chaeyoung released covers of songs such as Alone by Cheeze, Off My Face by Justin Bieber, and Weatherman by Eddie Benjamin as part of the Melody Project series. In 2022, she began learning to play the guitar in anticipation of a solo debut and performed an unreleased track titled My Guitar on the Ready to Be World Tour. She also collaborated with Coco & Clair Clair on a remix of their song Pop Star in October 2023.
In June 2025, her label announced that she was preparing for her solo debut. Her debut studio album, Lil Fantasy Vol. 1, was released in September 2025 along with the lead single Shoot (Firecracker). The album debuted at number 3 on South Korea's Circle Album Chart. In August 2026, she announced her departure from JYP Entertainment to establish her independent label, Lil Fantasy, while remaining active with Twice.
Personal life and controversies
Son Chaeyoung is Catholic, and her baptismal name is Katarina. In 2020, her personal phone number was leaked on social media, prompting a statement from her agency and a direct response from her on Instagram. In April 2024, her agency confirmed that she was in a relationship with singer-songwriter Zion.T.
In March 2023, she wore a shirt featuring QAnon imagery during a music show promotion. A few days later, she posted a photo on Instagram wearing a T-shirt with Nazi imagery. Both Son Chaeyoung and her label issued apologies following the incidents, and she removed the Instagram post.
Birthday and age
Son Chaeyoung was born on April 23, 1999, which makes Son 27 years old today. That birthday falls under the Taurus sign. Son shares the date with 39 other famous people.
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