Katy Perry and Justin Trudeau are red-carpet official after dating a year as the two stepped out for Perry's movie premiere at the Tribeca Festival.

A new Katy Perry concert film trailer is out and it is electrifying. Directed by Paul Dugdale, the trailer gives a glimpse into the Paris leg of the Lifetimes Tour, providing a front-row seat to an

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 letter to her fans. “1 year ago, 143 came out and I ...

Katy Perry was cheered on by her "anchor," politician beau Justin Trudeau, at the Tribeca Festival premiere of her "Lifetimes Tour" concert film.

The pop star also opened up about one of the hardest years of her life: "I just kept going, because I made a promise to my fans, I made a promise to my daughter, I made a promise to myself."

Get the latest news about Katy Perry. Find exclusive interviews, video clips, photos and more on Entertainment Tonight.

Ahead of her concert at Blenheim Palace in Oxfordshire, global singing legend Katy Perry, 41, has opened up about her "hardest year".

Forbes contributors publish independent expert analyses and insights. Hugh McIntyre covers music, with a focus on the global charts. Katy Perry's "The One That Got Away" rises to new peaks on multiple Billboard charts while its parent album Teenage Dream ...

Katy Perry is not hiding how serious things have become with Justin Trudeau. The singer and the former Canadian prime minister made their red carpet debut on June 8 at the TriBeCa Film Festival, where Perry attended the premiere of her ‘Lifetimes Tour’ concert film.