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

As her seven-season reign on American Idol comes to an end, Katy Perry is facing backlash from ... Abi Carter and others faced the heat from the California Gurls singer as the night went on.

The MTV VMAs have heard Katy Perry roar ... with the release of "California Gurls" in 2010, Perry fronted a remarkable streak ...

Leave it to Katy Perry to bring some of the most unique ... It was just a moment for television,” the “California Gurls” singer said. “Every season, it seems I rip my pants.

Katy Perry is known to love spectacular visual concepts. She's been seen as an Egyptian in her song "Dark Horse", as an alien in "ET", and as a Californian star in "California Gurls". But this ...