3:36 Katy Perry - Birthday (Lyric Video) 8:01 Katy Perry - Birthday (Official) 3:37 Katy Perry - Birthday (Lyrics) 3:36 Katy Perry - Birthday (Lyrics) 4:02 Katy Perry - Birthday (Live at BBC @ Glasgow 2014) 3:36 Katy Perry - Birthday 5:06 Katy Perry Birthday @ Billboards 2014 1080p HD 3:40 Katy Perry - Birthday (Lyric Video) 3:34 Katy Perry, Zayn - Birthday X Pillowtalk (TikTok Mashup) [Lyrics] 3:36 Katy Perry - Birthday (Lyrics) 3:34 Birthday Pillowtalk - Katy Perry vs. ZAYN 5:40 Katy Perry - Birthday (Prismatic World Tour Audio) 4:19 Birthday, Katy Perry | MEGASTAR, 5/5 GOLD | Just Dance 2015 Unlimited 3:36 Katy Perry - Birthday (Lyrics) 8:05 Katy Perry - Last Friday Night (T.G.I.F.) (Official Music Video) 3:58 Katy Perry - Birthday (Karaoke Version) 4:51 Katy Perry - Birthday (legendado / Tradução) 3:37 Birthday by Katy Perry - Just Dance 2015