From all her chart-toppers, Katy Perry says her all-time favorite is a track from Teenage Dream but can you guess which one?

Justin Trudeau was feeling the sparks at Katy Perry‘s concert in Montreal, with the former Canadian prime minister passionately belting along to the pop star’s performance of “Firework” while in the ...

KATY, TX (KTRK) -- One suspect is in critical condition this morning and another still on the run after the owner of a fireworks stand turned the table on some would be robbers in west Harris County.

Katy Perry and Orlando Bloom's daughter, Daisy Dove, had her wild blonde curls on full display in a recent post from her dad.

Katy Perry, the pop icon behind hits like "Teenage Dream" and "Firework", is opening up about one of the most emotional years ...