Katy Perry - Birthday (Lyric Video)

Get “Birthday“ from Katy Perry’s ’PRISM’: Katy Perry Complete Collection on Spotify: Katy Perry Essentials on Apple Music: Watch your favorite Katy videos on YouTube: Follow Katy Perry: Website:  Instagram:  Twitter:  Facebook:  Lyric video for Katy Perry’s “Birthday” from ‘PRISM’ produced by Mandy Sellick and directed by Aya Tanimura. Music video by Katy Perry performing Birthday. (C) 2014 Capitol Records, LLC