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"  Katy Perry has premiered her new lyric video online. The singer will release &amp;#039;Birthday&amp;#039; as the fourth official cut to be lifted from her latest album Prism.      The accompanying lyric video sees the song&amp;#039;s lyrics displayed on an assortment of fun and colorful birthday cakes, which are being baked and decorated by Perry. &amp;#039;Birthday&amp;#039; serves as the follow-up to previous Prism singles &amp;#039;Roar,&amp;#039; &amp;#039;Unconditionally&amp;#039; and &amp;#039;Dark Horse.&amp;#039; Prism is Perry&amp;#039;s fourth studio album and topped the UK and US charts upon its release back in October. The star will support the record with her &amp;#039;Prismatic World Tour,&amp;#039; which starts in Belfast on May 7. Photo credit: Getty Images Via Digital Spy "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cosmopolitan.com/entertainment/celebs/news/a23481/katy-perry-premieres-new-single-birthday-lyric-video-watch/?src=rss>