Watch Sydney Sierota perform acoustic versions of Echosmiths “Cool Kids” and “Bright” in the Teen Vogue fashion closet wearing pieces from her new Hollister .brSydney Sierota de Echosmith para su línea de ropa con Hollister Co.brEchosmith lead singer Sidney Sierota performs Bright on 27 Oct. 2016 at the launch party of her new Hollister party-wear line at the Soho store in New York .brPerformed at the Florida Strawberry Festival in Plant City, FL on March 13, 2016. Recorded with a Nikon P7000. Photos from the show can be viewed at .