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Download 'PRISM' and get “By The Grace of God": http://smarturl.it/PRISM

Katy Perry Complete Collection on Spotify: http://katy.to/SpotifyCompleteYD
Katy Perry Essentials on Apple Music: http://katy.to/AMEssentialsYD
Watch your favorite Katy videos on YouTube: http://katy.to/MusicVideosYD

Follow Katy Perry:
Website: http://katy.to/WebsiteYD
Instagram: http://katy.to/InstagramYD
Twitter: http://katy.to/TwitterYD
Facebook: http://katy.to/FacebookYD