Katy Perry's new CD is like a magical slot machine: Select any song and you'll hear a hit. "Teenage Dream," the singer's sophomore release, is a 12-track set that has many flavors: Thumping dance jams ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: @katyperry / Instagram Katy Perry got nostalgic in her recent Instagram post celebrating the one-year anniversary of ...

Add Yahoo as a preferred source to see more of our stories on Google. (Photo Credit: @KatyPerry / YouTube) Katy Perry got nostalgic in her recent Instagram post celebrating the one-year anniversary of ...

All the latest news, photos and more on the Firework singer. The American superstar rose to international fame in 2008 with ...

Justin Trudeau and Katy Perry made their first public appearance as a couple on October 25 in Paris for Perry's birthday.