East began modeling at age 9, and at 11 she started acting in the
HBO television series
True Blood. Other credits include
Jessica Darling in the film adaptation of ''Jessica Darling's IT List'', In March 2017, East was cast as Reese, the niece to Kevin, in the
ABC drama television series
Kevin (Probably) Saves the World, which aired in the 2017–2018 television season. In mid-2018, she was cast in the dancing film
Next Level, which was released in 2019. In 2020, she appeared as Jenna in the film
The Wolf of Snow Hollow. In 2021, East was cast in the
Steven Spielberg coming-of-age drama film
The Fabelmans, which was released in 2022. Her character, Monica Sherwood, who becomes the girlfriend of the protagonist
Sammy Fabelman (
Gabriel LaBelle) during the film's second half, was created for the film as a fictional high school girlfriend for Spielberg, whom the character of Sammy is based on. The same year, she was cast in the upcoming film
Going Places. In September 2022, East wrapped filming on the family comedy film
Popular Theory. In 2024, she starred in the horror film
Heretic alongside
Hugh Grant and
Sophie Thatcher. She and Thatcher play two LDS Church
missionaries who enter the house of Grant's character, who makes them question their faith and terrorizes them. Both East and Thatcher were raised in the LDS Church, which the film's co-director
Scott Beck cited as bringing credibility to their roles. ==Personal life==