Prior to her street cast, Liu had never expected to become an actress. In September 2020, Liu appeared on the cover of
Vogue Italia. Liu was first cast in a feature-length film in 2019, and so made her acting debut in 2021 with a supporting role in the action drama film
Mayday. That year she also made her television debut with a minor role in the
Netflix comedy drama series
The Chair. In 2022, Liu starred in two films: first in a supporting role in
Josephine Decker's romantic drama film
The Sky Is Everywhere, then in a lead role in the thriller film
No Exit. Although the films received mixed reviews from critics, her performance as a recovering drug addict in
No Exit was praised. She next starred in
Emma Seligman's comedy film
Bottoms about two lesbian high school girls who start a fight club to hook up with other girls from school, alongside
Rachel Sennott,
Ayo Edebiri and
Kaia Gerber. She is next set to star in
Her Private Hell, alongside
Sophie Thatcher. In 2025, Liu was a part of thriller film
Tuner which required her to study piano. In 2026, she joined the cast of the
Elden Ring film, a live-action adaptation of the eponymous game. It is set for a March 2028 release. == Personal life ==