SNSD Tiffany – Firework – Dork ver. (Cover Katy Perry) Aug 1, 2015 Cover, Cover Firework, Cover Katy Perry, Cover Pop, Teenage Dream, Teenage Dream: The Complete Confection, Fany funny^^ Heol~ PLEASE DO NOT RE-UP! Like 0 Thanks! You've already liked this « BANG BANG dork cover *Original* » [Spanish Cover]~ GEE~ SNSD ~ DG(dork generation) ~