@Vlogger Katy Perry – This Is How We Do (Official) Katy Perry – This Is How We Do (Official) Get “This Is How We Do” from Katy Perry’s ‘PRISM’: http://katy.to/PRISM Katy Perry Complete Collection on Spotify: http://katy.to/SpotifyCompleteYD Katy Perry Essentials on Apple Music: http://katy.to/AMEssentialsYD Watch…