Arin

Biography

Choi Ye-won (Korean: 최예원; born June 18, 1999), known professionally as Arin (아린), is a South Korean singer and actress. She is a member of South Korean girl group Oh My Girl.

Early life

Arin was born Choi Ye-won, on June 18, 1999, in Busan. She attended Dongduk Middle School and School of Performing Arts Seoul.

2015–2019: Debut with Oh My Girl and other activities

On April 20, 2015, Arin debuted as a member of Oh My Girl. She first performed their debut single on SBS MTV's The Show on April 21. On April 2, 2018, Arin debuted in Oh My Girl's first sub-unit, Oh My Girl Banhana. On September 7, 2019, it was announced that Arin would be appearing on XtvN's The Ultimate Watchlist 2. In August 2019, it was confirmed that Arin would be taking part in Queendom.

2020–present: Solo activities

On March 10, 2020, Arin was cast as Oh Na-ri in Naver TV's web series The World of My 17. On July 20, Arin was announced as the new host for Music Bank with Choi Soo-bin of TXT. For their performance on the program, they were awarded with the Best Couple Award at the 2020 KBS Entertainment Awards. Their last broadcast from the role was on October 1, 2021. On July 26, 2026, it was announced that they were confirmed to star in Promoter alongside Lee Hanee, Park Yoon-ho, Kim Sung-kyun, and Kim Jin-wook.

In March 2021, it was announced that Arin had been cast in the Netflix anthology movie Urban Myths. In June 2022, she was cast in a supporting role in the tvN hit fantasy period drama Alchemy of Souls. In 2023, Arin starred in the tvN short-form drama Summer Love Machine Blues. On September 4, 2023, Arin was cast in the webtoon-based mystery drama S Line alongside Lee Soo-hyuk and Lee Da-hee. On August 2, 2024, Arin was cast in the webtoon-based romantic comedy My Girlfriend Is the Man!.
On May 8, 2025, it was announced that Arin had ended her contract with WM Entertainment, but would remain a member of Oh My Girl. On June 10, Arin signed an exclusive contract with ATRP.

Philanthropy

In December 2020, Arin secretly donated ₩6 million to her hometown Busan Elderly Welfare Center.
On June 18, 2021, it was announced that Arin donated ₩30 million to The Beautiful Foundation in honor of her 22nd birthday. Her donations were used to support young adults living alone and who have been discharged from child care facilities and foster care. In December 2021, she collaborated with Clarins and World Vision International in order to deliver Christmas gift boxes to low-income families.
On May 16, 2022, Arin donated ₩20 million to The Beautiful Foundation on Coming-of-Age Day. Four days later, she teamed up with Clarins to plant 1,459 trees in Jamwon Hangang Riverside Park in honor of World Bee Day. On August 11, Arin donated ₩20 million to help those affected by the 2022 South Korean floods through the Hope Bridge Korea Disaster Relief Association. In December, Arin donated 25,000 briquettes worth ₩21 million to Busan Briquette Bank.

Endorsements

On March 5, 2020, Arin became the brand model for South Korean clothing brand BYC. In July 2020, she became a global brand muse for the French beauty brand Clarins. In 2021, she became an advertising model for Kumbokju's cham soju. In June 2022, she was selected to participate in Pepsi's promotional single "Blue & Black", a collaboration song between Oh My Girl's Hyojung and Arin, Ive's Jang Won-young and Leeseo, and Cravity's Serim and Jungmo. The following month, she was selected as a promotional model for Busan's bid to host the upcoming world's fair Expo 2030. In August 2023, she was selected as an advertising model for the South Korean mobile MMORPG Luna: Moonlight Chronicles.