Katy Perry's 'Prism' Written About Ex Russell Brand?
John Mayer On Tour Again
Katy Perry & Frank Ocean Guested On John Mayer's New Album, 'Paradise Valley'Katy Perry will be featured on "a country-tinged mid-tempo track titled 'Who You Love'" while Frank Ocean will lend his voice on "Wildfire."
Katy Perry Is John Mayer’s 'Teenage Dream'
Katy Perry and John Mayer: It's Over -- Again!
Grammy's Fashion: The Guys