From Longman Dictionary of Contemporary EnglishCrown PrincessˌCrown Prinˈcess / $ ˌ. ˈ../ noun [countable] PGOthe daughter of a king or queen, who is expected to become the next queen
Examples from the Corpus
Crown Princess• He accused me of histrionics and dubbed me Sarah Bernhardt, after the crown princess of stage and silent movie melodrama. 