beau idéal vs superstar

beau idéal

noun
  • An emulable eidolon embodying excellence in a particular respect. 

  • Ideal excellence, or an imaginary standard of perfection. 

superstar

noun
  • An exceptionally productive employee. 

  • Someone who has accumulated a vast amount of fame; a high-level celebrity. 

  • A giant star. 

How often have the words beau idéal and superstar occurred in a corpus of books? (source: Google Ngram Viewer )