Even with a hot new romance to keep her happy, Katy Perry couldn't help but be obnoxious about it when a fan at a European ...

Both the former Canadian prime minister and the California Girl singer have been through high and lows of public opinion.

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's shocking birthday celebration leaves crew eating off the floor. Disrespectful or just a sweet surprise gone wrong? 😮🎂 ...

Katy Perry is reportedly relying on psychic energies to ensure the continuity of her relationship with Justin Trudeau.

Katy Perry and Justin Trudeau reportedly made their relationship official during her 41st birthday in Paris. However, days ...

Katy Perry has left people pretty unimpressed after a video of her throwing her birthday cake at her crew went viral ...

Katy Perry is definitely feeling fireworks. The singer — who made her first public appearance with beau Justin Trudeau on ...

Pop star and recreational astronaut Katy Perry has found a new flame in former Canadian Prime Minister Justin Trudeau, in an unexpected romance that feels like a “Mad Libs” page come to life.

Just days after their hand-holding debut in Paris, sources confirm that pop superstar Katy Perry and former Canadian Prime ...

Katy Perry and Justin Trudeau made their first public appearance as a couple on Saturday, stepping out for a date at the ...

A Canadian political source tells PEOPLE that Katy Perry and Justin Trudeau's relationship "is already fairly serious" three ...