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10 April 2014, 17:23
The 'Teenage Dream' star is back with the lyric video for her next 'Prism' single.
Katy Perry has teased fans by revealing the song lyric music video for her upcoming release 'Birthday'.
The 'Dark Horse' singer will release the track as her fourth single from 2013 album 'Prism', and the lyric video features a birthday cake to fit in with the song's lyrics.
Katy's 'Prism' album has already spawned three huge hit singles with 'Roar', 'Unconditionally' and 'Dark Horse' featuring Juicy J.
Katy Perry is set to launch her brand new 'Prismatic' world tour next month on 8th May out in Belfast, Northern Ireland.