During her senior year of high school, amid the
COVID-19 pandemic, Tung performed in
LaGuardia High School's virtual senior acting showcase, where her current manager saw her first perform. During her first year at
Carnegie Mellon University in early 2021, she auditioned for the main role of Isabel "Belly" Conklin in
The Summer I Turned Pretty,
Amazon Prime Video's television adaptation of
Jenny Han's
bestselling trilogy. Before the first season's release, Amazon Prime Video renewed
The Summer I Turned Pretty for a second season, which was filmed in the summer of 2022. In November 2023, Tung worked with
Cameron Crowe and
Tom Kitt as Penny Lane in their developmental residency of
Almost Famous at the
Eugene O'Neill Theater Center. She also received a nomination for Favorite Broadway Debut at the
2025 iHeartRadio Music Awards. In March 2025, Tung was cast in the witch horror film
Forbidden Fruits, which was released in 2026. On May 2, 2025, she performed in Tom Kitt's
Tom Kitt & Friends concert at
54 Below in New York City. Later that year, she was cast in
The Young People, directed by
Oz Perkins. The final season of
The Summer I Turned Pretty aired from July to September 2025. However, it was later announced that Amazon Prime Video had greenlit a feature film adaptation of the series. In March 2026, Tung was honored as the Emerging Shiftmaker at the Shiftmakers Gala at Harvard Art Museums, held in recognition of Women's History Month, for her work in film and television and her impact on representation. ==Fashion==