golden boy

noun
  1. 1

    A young man who has become unusually successful at an early age.

    โ€œBill Gates was the golden boy of the software industry in the early 1980s.โ€

  2. 2

    A favored youth, held in high esteem by others, and for whom there are high hopes.

    โ€œHe was the golden boy of Montana politics.โ€

Source: https://en.wiktionary.org/wiki/golden%20boy