I think we're all familiar with a tune that initially we don't like, but grows on us after a very short period. "Hot & Cold" was stuck in my head when it first came out despite my intense dislike of Top 40 music.
Easy A is about highschool student, Olive Penderghast (Emma Stone) whom after a little white lie about losing her virginity gets out, sees her life paralleling Hester Prynne's in "The Scarlet Letter," and decides to use the rumor mill to advance her social and financial standing.