The 38-year-old actor shared the news of the birth of his son, Kenzo Kash, on Twitter.
"God is truly amazing... Kenzo Kash Hart was born... He is healthy and already smiling. Thank you all for your prayers! We love and appreciate ya," Hart tweeted.
He later posted on Instagram a photograph of himself and Eniko taking Kenzo home.
"Little Man is coming home. As you can see Eniko Hart is up and running and back to normal. She's a rockstar... The woman's body is unbelievable.
Hart also has two children from his previous marriage to actress Torrei Hart. He tied the knot with Eniko last year.
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