Lia

Choi Ji-su (; born July 21, 2000), better known by her stage name Lia , is a South Korean singer. She is a member of the South Korean girl group Itzy, formed by JYP Entertainment in 2019.

Early life Lia was born on July 21, 2000, as Choi Ji-su, in Incheon, South Korea. While in elementary school, she moved to Toronto, Canada. She initially passed an audition for SM Entertainment when she was 14, but backed out due to a disagreement with her parents. In 2017, she passed an audition for JYP Entertainment and trained for two years. She later graduated from the School of Performing Arts Seoul.

Career 2019–present: Debut with Itzy

On February 12, 2019, Lia officially debuted as a member of Itzy with the release of their first single album, It'z Different, and the music video for its lead single "Dalla Dalla". In 2022, she released her solo song "Always Be Your Star" for MBC's The Red Sleeve. Later that year, she recorded "Blue Flower" for tvN's Alchemy of Souls 2, which peaked at number 184 on the Circle Chart. On May 26, 2023, Lia released "One Hundred Love" for the original soundtrack of Dr. Romantic.

On September 18, 2023, JYP Entertainment announced that Lia would be taking a hiatus to focus on treatment for anxiety. During her break, she released "Blossom", a solo track dedicated to her fans, which she co-wrote with Sim Eun-ji as part of Itzy's solo performances on the EP Born to Be.

On July 9, 2024, JYP Entertainment announced that Lia would resume activities with Itzy, starting with a new album set for release in the second half of the year. In the same year, she recorded "Why Not" for SBS's The Fiery Priest 2, and "Woodahe" for JTBC's The Tale of Lady Ok.

Other ventures Fashion In March 2023, Lia was featured in a solo pictorial for Elle Korea, where she shared her personal style and reflections. In the accompanying interview, she discussed Itzy's identity, emphasizing the importance of living authentically and spreading positive energy. She also reflected on her personal growth and journey alongside Itzy.

Philanthropy In August 2022, Lia donated to The Hope Bridge National Disaster Relief Association to support flood victims. In December 2023, she donated to the National Cancer Center Foundation to support pediatric cancer patients.

Discography

Soundtrack appearances + List of soundtrack appearances, showing year released, selected chart positions and album name Title Year Peak chartpositions Album KOR "Always Be Your Star" 2022 — The Red Sleeve OST "Blue Flower" 184 Alchemy of Souls: Light and Shadow OST "One Hundred Love" 2023 — Dr. Romantic 3 OST "Why Not" 2024 — The Fiery Priest 2 OST "Woodahe" — The Tale of Lady Ok OST "One Day" 2025 — Ms. Incognito OST "How I Love You" 2026 — Idol I OST "—" denotes a recording that did not chart or was not released in that region.

Other charted songs + List of other charted songs, with selected chart positions, showing year released and album title Title Year Peak chart positions Album KORDL "Blossom" 2024 49 Born to Be "Asylum" 2026 57 Motto

Composition credits All song credits are adapted from the Korea Music Copyright Association's database unless stated otherwise.

+ List of songs, showing year released, artist name, and name of the album Year Artist Song Album Lyricist Composition Credited With Credited With 2024 Herself "Blossom" Born to Be 2025 Itzy "Focus" Tunnel Vision

Filmography

Hosting Year Title Notes 2020 9th Gaon Chart Music Awards with Leeteuk Dream Concert with Eunhyuk and Cha Eun-woo 2021 10th Gaon Chart Music Awards with Leeteuk