Katy Perry gets a make-under as an athlete alongside David Beckham in Adidas advert

We 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 minute clip, which will air on TV in the U.S. in the coming months.During the advert, Katy is seen wearing a retro