innate talent; natural gift
A somewhat formal or literary set phrase emphasizing talent one is born with, not acquired. Often used in praise or descriptions of prodigies.
I sense innate talent in his performance.
She is a painter blessed with a natural gift.
天性 is a noun meaning 'innate nature' or 'natural disposition', often used in 天性の才能 (natural talent). 天賦の才能 is a more explicit, slightly formal phrase focusing on the talent itself as a gift from heaven.
生まれつき is a common adverb/noun meaning 'by nature' or 'from birth'. It is more casual and versatile than the literary 天賦の才能.
天賦 (てんぷ, 'heaven-bestowed') + の + 才能 (さいのう, 'talent'). 天賦 is a Sino-Japanese compound meaning a natural gift or endowment, often used in formal contexts.