She'll star in The Bell Jar, based on Sylvia Plath's 1963 book. On Aug. 3, photos surfaced from the Toronto set, revealing the 24-year-old musician dressed as Esther Greenwood, according to People. The snapshots captured her in a red shirt, a checkered skirt, red shoes, and red lipstick. Plath's book centers on Esther Greenwood, a college student wrestling with mental health struggles during her internship at a magazine. Plath crafted the bell jar as a symbol.