She is known for her performance as Isabel "Belly" Conklin in the Amazon Prime Video series The Summer I Turned Pretty, based on the novel of the same name by Jenny Han.

[11] The audition was for the main role of Isabel "Belly" Conklin in The Summer I Turned Pretty, Amazon Prime's television adaptation of Jenny Han's bestselling trilogy.

[17] 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.

[19] She replaced Solea Pfeiffer for a limited run (scheduled for February 9 through March 17), starring opposite Jordan Fisher as Orpheus.

[21] After the premiere of the first season of The Summer I Turned Pretty in 2022, Tung became an American Eagle partner, along with her co-stars, Christopher Briney and Gavin Casalegno.