Full show http://watchawardshows.com/watch-mtv-vma-2013/ 2013 VMAs 2013 VMAs 2013 VMAs 2013 VMAs Katy Perry Roar Prism live performance MTV VMA 2013529 2013 VMAs 2013 VMAs 2013 VMAs 2013 VMAs Katy Perry Roar Prism live performance MTV VMA 2013529 2013 VMAs 2013 VMAs 2013 VMAs 2013 VMAs Katy Perry Roar Prism live performance MTV VMA 2013529 2013 VMAs 2013 VMAs 2013 VMAs 2013 VMAs Katy Perry Roar Prism live performance MTV VMA 2013529 2013 VMAs 2013 VMAs 2013 VMAs 2013 VMAs Katy Perry Roar Prism live performance MTV VMA 2013529 2013 VMAs 2013 VMAs 2013 VMAs 2013 VMAs Katy Perry Roar Prism live performance MTV VMA 2013529 2013 VMAs 2013 VMAs 2013 VMAs 2013 VMAs Katy Perry Roar Prism live performance MTV VMA 2013529 2013 VMAs 2013 VMAs 2013 VMAs 2013 VMAs Katy Perry Roar Prism live performance MTV VMA 2013529