Ariana Greenblatt attends a gala in L.A., plus Katy Perry, Chris Martin, Paris Hilton and more. From L.A. to Bologna, Italy ...

Katy Perry and Justin Trudeau's romance heats up with Halloween hints as the pop star confirms she's dating someone and the ...

Now it seems the summer romance rumors are extending into fall. Here’s a complete timeline of Katy Perry and Justin Trudeau’s ...

Katy Perry told a Prague crowd she is dating somebody else amid reports she is exploring a romance with Justin Trudeau and ...

Justin Trudeau paid subtle homage to Katy Perry amid the pair’s growing romance with his Halloween costume — an inflatable ...

Justin Trudeau dresses as the viral Left Shark with son Hadrien as Katy Perry romance rumors swirl and their relationship ...

Katy Perry brought out the futuristic theatrics for her stop at Uber Arena in Germany for the Lifetimes tour. During the ...

Singer Katy Perry said she was "dating someone else" when a fan asked to marry her at her concert in Prague on Oct. 30.

Katy Perry included her new beau Justin Trudeau in an Instagram post celebrating her 41st birthday, officially soft launching ...

One connection Perry and Trudeau share is that both had a tumultuous year, professionally and personally, and being seen ...

Pop star Katy Perry and former Canadian prime minister Justin Trudeau were spotted holding hands during a public outing on ...

In late July, pop star Katy Perry and former Canadian prime minster Justin Trudeau sparked dating rumors after being seen ...