Katy Perry - Roar (Official) - YouTube

http://www.vevo.com/watch/katy-perry/roar-official/USUV71301934

Get “Roar” from Katy Perry’s ‘PRISM’: http://katy.to/PRISM Katy Perry Complete Collection on Spotify: http://katy.to/SpotifyCompleteYD Katy Perry Essentials ...