Teenage dream songbird Katy Perry has a new dream, sources said – to dive into politics and philanthropy with new beau Justin ...

Katy Perry is marking the one-year anniversary of her album 143. The singer, 40, took to Instagram on Monday, September 22, to share several behind-the-scenes photos and videos, as well as a heartfelt ...

Former Canadian Prime Minister Justin Trudeau's son Xavier Trudeau detailed his encounters with Katy Perry since his dad began dating the "Dark Horse" singer.

Add Yahoo as a preferred source to see more of our stories on Google. Alex Warren didn't win a Grammy, but now he's nominated at The Snappy Awards, the first awards show honoring Snapchat creators.

Pop superstar Katy Perry is opening a new chapter in her music career with her latest release, "Bandaids," and fans are already talking about the surprising nods to her past relationship with Orlando ...