Idris Elba is a daddy again!

The actor took to Twitter to announce the news of the birth of his son, Winston, and shared a "Truly Amazing" photo of the newborn.

The picture shows Winston's tiny hand holding on to his father's finger.

Thandie Newton Shares Adorable First Photo of Baby Boy

He captioned the image: "My Son Winston Elba was born yesterday..Truly Amazing :-)"

The Mandela star, 41, chose to name his son after his late father, who died last September from lung cancer.

idris elba

Idris with Naiyana

idris elba

Idris with daughter Isan

This is his first child with makeup-artist girlfriend Naiyana Garth. He is also dad to 11-year-old daughter Isan with his ex-wife Dormowa Sherman.

Congratulations to the happy — and growing! — family!