3:36 Katy Perry - Birthday (Lyric Video) 3:37 Katy Perry - Birthday (Lyrics) 8:01 Katy Perry - Birthday (Official) 3:36 Katy Perry - Birthday 4:02 Katy Perry - Birthday (Live at BBC @ Glasgow 2014) 3:34 Katy Perry, Zayn - Birthday X Pillowtalk (TikTok Mashup) [Lyrics] 5:06 Katy Perry Birthday @ Billboards 2014 1080p HD 3:36 Katy Perry - Birthday (Lyrics) 3:40 Katy Perry - Birthday (Lyric Video) 8:05 Katy Perry - Last Friday Night (T.G.I.F.) (Official Music Video) 3:18 Katy Perry - Birthday (Official Music Video) 3:47 Anne-Marie - BIRTHDAY [Official Video] 4:51 Katy Perry - Birthday (legendado / Tradução) 3:36 Katy Perry - Birthday (Lyrics) 3:30 Katy Perry - This Is How We Do (Official) 0:16 Katy Perry - Happy Birthday 2:53 Nightcore - Birthday「Katy Perry」 4:22 katy perry - birthday ( slowed + reverb )