Add Yahoo as a preferred source to see more of our stories on Google. (Photo by Kevin Mazur/Getty Images for KP) Katy Perry recently celebrated her birthday backstage during her ongoing Lifetimes Tour ...

Katy Perry's 40th birthday celebration was quite the smash — literally — and now it's going viral for all the wrong reasons. In a video making the rounds online, the pop star was caught throwing her ...

Katy Perry and Justin Trudeau just made it official — the pop queen and former PM were spotted holding hands in Paris at her birthday bash. New city, new love story. Dramatic video shows the moment a ...

Katy Perry threw her own birthday cake on the floor during a celebration for the pop star's 41st birthday. In a clip posted by the singer on Instagram on Tuesday (28 October), the "Firework" singer ...