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 new romance is continuing to heat up as both the pop star and the former Canadian prime ...

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 is reportedly 'smitten' with former Canadian Prime Minister Justin Trudeau, but friends fear she's moving too fast with a man still reeling from divorce and a political exit.

Katy Perry has been winning hearts with her photos from Prague. The pop icon recently conducted her show for the Lifetimes ...

Diplo trolled his ex-girlfriend Katy Perry by posting a selfie with Justin Trudeau amid the singer and politician's new romance.

Halsey is carrying on with her Back to Badlands tour, even after a sudden health scare. During her Boston stop, the singer ...

Wicked actress Kristin Chenoweth detailed her relationship with costar Idina Menzel, describing their bond as “sisters” who ...

The DJ was briefly linked to the "Firework" singer in 2014. He posted a selfie with Trudeau on Monday to continue the gag ...