favorite child; darling child
Refers to a child who is especially favored or doted on, often within a family context.
He grew up spoiled as his parents' favorite child.
He is currently the darling of the mass media.
She is known as the darling of the fashion world.
Composed of 寵 (favor, affection) and 児 (child). The figurative sense of a celebrated person developed from the literal meaning of a favored child.