Billie Eilish has left fans doing a double take after being photographed almost unrecognisably transformed into a 1950s young woman. More of Billie on the set of "The Bell Jar" in Toronto, Canada earlier this week! 🤍📸: @BackgridUS https://t.co/iCe3aO4eB0 — Billie Eilish Tours (@billieeilishtrs) August 5, 2026Why the Bell Jar Role Is Such a Big Test for EilishThe Bell Jar represents a major career shift for Eilish. The combination suggests that The Bell Jar is being positioned as more than a celebrity-led experiment. For The Bell Jar, Billie Eilish is willing to look nothing like Billie Eilish.