Katy Perry has spent over two decades at the top of pop, selling more than 143 million records worldwide. Now, she's back with her fifth world tour, Lifetimes—but not everyone's impressed. Clips from ...

Add Yahoo as a preferred source to see more of our stories on Google. Former Canadian Prime Minister Justin Trudeau was on hand for Katy Perry's 'Lifetimes' concert in Montreal on Wednesday. An ...

Katy Perry and Justin Trudeau's unexpected romance is still going strong—and they've got the date night fun to prove it. The singer shared a new photograph on Instagram with her boyfriend Trudeau, ...