 " Birthday " is a disco song recorded by American singer Katy Perry for her fourth studio album , Prism ( 2013 ) . It was written by Perry , Bonnie McKee and producers Dr. Luke , Max Martin , and Cirkut . Critics , as well as Perry herself , have compared the track to works by Prince and Mariah Carey . Through double entendres in the lyrics of " Birthday " , Perry makes sexual references while celebrating a partner 's birthday . The song was sent by Capitol to mainstream and rhythmic radio on April 21 , 2014 as the fourth single from Prism . 
