Answer: itsyou

AnswerCrossword Clue
ITSYOUUtterance of recognition
ITSYOUDress shop compliment
ITSYOUFitting room "That looks fabulous!"
ITSYOUCompliment from a couturier
ITSYOU"I knew I recognized that voice!"
ITSYOUDress shop comment
ITSYOUWords of recognition
ITSYOUSong from "The Music Man" with the lyric "What words could be saner or truer or plainer"
ITSYOUCompliment heard in the dress department
ITSYOUDressing room comment
ITSYOUCompliment from a dress salesperson
ITSYOUExclamation of discovery