From Longman Dictionary of Contemporary Englishpop starˈpop star noun [countable] APMa famous and successful entertainer who plays or sings pop music
Examples from the Corpus
pop star• He's leaving, apparently, to become a pop star, and why not?• I recall, in my confusion, being inanely impressed by a pop star with enough upstairs to remember his own name.• So goes life for an aspiring teen-age pop star who still wants to play baseball in his senior year of high school.• He'd heard another pop star was coming to York - some one called Fergal.• Within a year, Boy George was the biggest pop star in the world. 