Cold, schmold! Watch Katy Perry sing 'Firework' with tissues stuck up her nose - 03-22


Katy Perry is a “Firework,” with or without tissues up her nose. In EW’s exclusive preview of this Sunday’s American Idol, the 34-year-old judge is feeling under the weather. But it’s Hollywood Week, one of the toughest parts of the competition, so the show must go on.