When it comes to Katy Perry, you're gonna hear Justin Trudeau roar. In fact, the former Prime Minister of Canada had nothing but kind words after he and the "Teenage Dream" singer met with Japan's ...

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 ...

With just over a week until the release of “Prism,” Katy Perry took to “Saturday Night Live” over the weekend to perform two songs from the upcoming album. And the singer took quite a bit of gear with ...