On Thursday (April 3), the retro roller-skate jam "Birthday" got an equally as throwback introduction to radio, complete with new single art of Katy and her sister as young'uns. (And good thing Google is reading emojis now because some celebratory balloons were involved too.)
"In honor of #TBT may I present the cover of my NEXXXT single, BIRTHDAY," Katy tweeted, showing off a masterful mug at a b-day bash circa 1990. Imposed over the vintage pic are puffy balloons spelling out Katy Perry and a scrumptious floral cake with the track's title in candles. Her sister's face is blurred, but Katy said there's a quick fix for that:
IF you would like to see my sisters amazing face/pose get #BIRTHDAY trending to the top & I will UNLOCK the genius with you... Hahahahahaha— Katy Perry (@katyperry) April 3, 2014
"Birthday" follows "Dark Horse," "Unconditionally" and "Roar" as singles off Prism, which was released in October 2013.