What SOUR and GUTS have in common—aside from their purple-tinted visuals, of course—is the fact that both albums have ...

Plus, an additional report from Luminate has revealed that the album is up 4% with fans wearing out her classic tracks Firework, California Gurls, and, of course, the titular single Teenage Dream.

Throughout 'Mayhem,' her seventh album, Gaga proves that revisiting the past doesn't always breed reductive results if you offer something fresh.

Perry's new album is less "Teenage Dream" and more "adult nightmare". Attempts to "reclaim former glory" don't "always bear fruit" and "it's only a matter of time until constantly looking back ...

Perry will be joined on the flight by Gayle King, co-host of CBS Mornings; Aisha Bowe, former NASA rocket scientist; Amanda ...

Katy Perry's 2010 hit 'California Gurls' has joined the Spotify Billions Club after reaching one billion streams on the ...

She first rose to fame with her 2008 hit single, "I Kissed a Girl." She shot to superstardom with the 2010 album Teenage Dream, which featured five No.1 singles, including "California Girls," "E.T ...