"Sex Rules" is a song recorded by American recording artist Sky Ferreira for her debut extended play As If! (2011). It was released on March 1, 2011 by Capitol Records as the lead single from the record. The song was written by Ferreira, Greg Kurstin, Billy Steinberg, and Daniel Lutrell, while production was handled by Kurstin. Looking to transition from the disco music elements seen in her earlier single "17", Ferreira explored electropop and synthpop styles with "Sex Rules". In the track, Ferreira frankly declares her infatuation for sexual intercourse.