Katy Perry wows Berlin with numerous "naughty" numbers
Katy Perry and Russell Brand reunite at basketball game
They haven't seen much of each other since divorcing, but Katy Perry and Russell Brand were reunited on Tuesday as they attended the same basketball...
Katy Perry tells cancer patient to 'keep roaring'
Katy Perry has responded to a young fan battling with brain cancer, telling the Toronto-based teen to "keep roaring".Click on the video below to hear...