I know Deuce is the biggest Katy Perry fan on the planet but what would he think if Katy Perry got down and dirty with Avenged Sevenfold? Well he better think...this is awesome! Take a look as Youtube user Isosine blends Katy Perry’s chart-topping hit “California Gurls,” with A7X’s “Bat Country,” into this magically, creative mashup titled “Bat Country Gurls.” You may even be surprised by a special guest!