Article continues below advertisementSydney Sweeney turned heads during a fun-filled night out at Stagecoach Festival!On Sunday, April 26, the Euphoria star showed up at Empire Polo Club in Indio, Calif., fully leaning into the carefree spirit of the country music festival. The night quickly turned into a crowd-pleasing moment when she joined a lively karaoke session onstage.Article continues below advertisementSource: @syrn/InstagramSydney Sweeney brought major energy to Stagecoach with a surprise karaoke performance at her SYRN booth.