The "Firework" singer was headlining the O Son do Camiño festival in Santiago de Compostela, Spain when she made the dig, according to social media videos.
Katy Perry makes blatant dig at exes Orlando Bloom and John Mayer at music festival
The "Firework" singer was headlining the O Son do Camiño festival in Santiago de Compostela, Spain when she made the dig, according to social media videos.
