Alec Baldwin, 55, and his wife Hilaria, 28, welcomed new daughter Carmen Gabriela into the world on Friday.
Hilaria tweeted: We are overjoyed to announce the birth of our daughter Carmen Gabriela. She is absolutely perfect. @ABFalecbaldwin @IrelandBBaldwin
Carmen is Alec's second daugher; he is already father to 17-year-old Ireland Baldwin, whose mother is Alec's first wife Kim Basinger.
Hilaria, a New York-based yoga instructor, and Alec married in June 2012.
They announced they were expecting a baby this past February.
At the time Baldwin told Extra, "It really is the most amazing thing, I'm lucky."
Congratulations to the happy couple!
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