By DAILY MAIL REPORTER Sporty spice: Katy Perry appears in a new commercial for Adidas that was released online yesterdayWe are used to seeing her in skin tight latex mini dresses as she bounces around on stage.But Katy Perry is showing an edgier side of her image in a newly released TV commercial for Adidas that hit the internet yesterday.The 25-year-old Fireworks singer makes a cameo in the two