Billie Eilish Just Performed ‘Birds of a Feather’ at the Olympics Closing Ceremony—See It Here The Citizen 1 year ago Billie was just one of many star-studded acts tonight. Source: Stylecaster.com Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Pinterest (Opens in new window) Pinterest Click to share on WhatsApp (Opens in new window) WhatsApp