fair-haired boy vs idol

fair-haired boy

noun
  • Someone's favourite, especially a young one; a blue-eyed boy (British), (Australian) 

idol

noun
  • A popular entertainer, usually young, captivating and attractive, and often female, with an image of being close to fans. 

  • A cultural icon, or especially popular person. 

  • A graven image or representation of anything that is revered, or believed to convey spiritual power. 

How often have the words fair-haired boy and idol occurred in a corpus of books? (source: Google Ngram Viewer )