Ahead of the release of her album “Prism,” pop vixen Katy Perry has been teasing the disc’s era. In promo clips for the album’s lead single, “Roar,” the singer buried her pin-up, candy-coated image ...

Many of us love the slew of bops that Katy Perry put out in the early 2000s, like "Hot N Cold," "California Gurls," and, of course, "Roar." Since then, the "American Idol" judge has continued churning ...