3:36   Katy Perry - Birthday (Lyric Video) 8:01   Katy Perry - Birthday (Official) 3:40   Katy Perry - Birthday (Lyric Video) 3:36   Katy Perry - Birthday 5:06   Katy Perry Birthday @ Billboards 2014 1080p HD 3:36   Katy Perry - Birthday (Lyrics) 4:02   Katy Perry - Birthday (Live at BBC @ Glasgow 2014) 3:34   Birthday Pillowtalk - Katy Perry vs. ZAYN 3:58   Katy Perry - Birthday (Karaoke Version) 3:09   birthday - katy perry (sped up) 3:34   Katy Perry, Zayn - Birthday X Pillowtalk (TikTok Mashup) [Lyrics] 3:52   Katy Perry - Watch It Burn (Official Music Video) 0:16   Katy Perry - Happy Birthday 3:08   katy perry - birthday (sped up & reverb) 4:22   katy perry - birthday ( slowed + reverb ) 8:05   Katy Perry - Last Friday Night (T.G.I.F.) (Official Music Video) 4:01   Katy Perry - Chained To The Rhythm (Official) ft. Skip Marley