In this interview with Canada AM from 2013, pop star Katy Perry speaks about her album, 'Prism', and her intimate performance in Toronto.

As a kid who grew up on radio, Katy Perry was part of the soundtrack of my life. And, as the first female artist (second to only Michael Jackson) to achieve the record of having five number-one ...

Here's literally everyone Katy Perry has dated since she became famous—from John Mayer, to Diplo, to her recent ex Orlando Bloom.