Posted in Web Billie Eilish on Having Tourette Syndrome: When People Laugh … – ELLE May 24, 2022 Although Eilish’s Tourette Syndrome is not a secret—she first shared her thoughts on it during an appearance on The Ellen DeGeneres Show in 2019 —the Grammy winner revealed to Letterman… https://www.elle.com/culture/celebrities/a40093456/billie-eilish-tourette-syndrome-laughing-david-letterman/