Emma Stone chats with ET's Rachel Smith at the New York City premiere of 'Poor Things,' in theaters Dec. 8. The star reacts to speculation that Taylor Swift's song 'When Emma Falls in Love (Taylor's Version)' was written about her. Emma talks about joining 'Saturday Night Live's five-timers club and shares details behind transforming into her 'Poor Things' character, Bella, by 'leaning into' the idea of someone experiencing things for the first time.