The "Firework" singer was headlining the O Son do Camiño festival in Santiago de Compostela, Spain when she made the dig, ...

Katy Perry playfully put her past relationships on blast during a recent festival performance.

Katy Perry’s ‘Firework’ is perfect, but it took Aster trying hundreds of songs after not getting the rights to a Jay-Z track. On this week’s episode of the Filmmaker Toolkit podcast, writer/director ...