On second thought, maybe Katy Perry wishes they weren't all California girls. The pop star, whose "California Gurls" has become the inescapable song of the season, is being threatened with a lawsuit ...

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. The ...

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. The ...

Katy Perry and Justin Trudeau have something good to celebrate. The “California Gurls” singer made her relationship with the former Canadian Prime Minister official as they attended a cabaret show at ...

Add Yahoo as a preferred source to see more of our stories on Google. Katy Perry and Justin Trudeau publicly debuted their rumored relationship during a date night in Paris over the weekend. (Evan ...