Keys gave birth in New York City to Egypt Daoud Dean.
Beatz shared his excitement of the family's new addition on Twitter, "I'm so thankful for everything I've been blessed with in my life wowwwwww!"
The newly weds just wed on July 31 in Corsica in a small ceremony surrounded by their family and friends. Celebrity guests included Bono and Queen Latifah.
This story originally appeared on Usmagazine.com
Alicia Keys is tongue-tied about becoming a mom for the very first time.
On Sunday, three days after giving birth to Egypt, her son with husband Swizz Beatz, the singer, 29, opened up with an emotional Tweet.
"There is no word to properly describe LOVE, to describe BLISS, to a express a FEELING like this!!!" Keys wrote.
"Thank U 4 your love, support and prayers!" the star added.
She and Beatz (real name: Kasseem Deam), 32, welcomed Egypt Daoud in NYC on Thursday night. Little Egypt joins his father's three kids from previous relationships.
PHOTOS: Inside Alicia's house and other celeb abodes
Beatz gushed about the new arrival on Friday, Tweeting, "I'm so thankful for everything I been blessed with in my life wowwwwww!"
The couple tied the knot in a private ceremony in July on the Mediterranean Sea.
PHOTOS: See their wedding pics
During her pregnancy, the "No One" singer told Us she was eager to meet her little one.
"The baby is going to see everything that I do, and that we do," she told Us.
Alicia Keys gives birth to baby boy Egypt Dauod Dean
Alicia Keys and Swizz beats were married July 31 in Corsica, with close pals Bono and Queen Latiifah in attendance according to Radaronline.
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Tina F of Cincinnati stated "Alicia will be a great mom she seems so loving and caring what a lucky family."
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Alicia Keys and husband Swizz Beatz have welcomed their first child together, a baby boy named Egypt Daoud Dean, her rep confirmed to RapPagesMagazine.com. The singer gave birth on Thursday night October 14th, in New York’s St. Luke’s Roosevelt Hospital.
On Friday, Beatz (real name: Kasseem Dean) Tweeted: “I’m so thankful for everything I been blessed with in my life wowwwwww!” It’s the first child for Keys, 29; Beatz, 32, has three children from previous relationships.
The couple’s good pal Mary J. Blige offered her congrats via Twitter Friday, writing “I’m So excited 2 Congratulate my brother @ therealswizzz and @Alicia keys on their New, baby, boy!!!!!!!”
Keys, 29, and Beatz, 32, tied the knot in a private ceremony in July on the Mediterranean Sea. The two who have been together since fall 2008, announced their engagement and baby news to the world in May 2010. She’s always glowing!” Beatz recently said about Keys.
He added that her pregnancy has been nothing but “smooth sailing” so far. “I’m feeling amazing!” Keys said that she was eager to greet her little one. “The baby is going to see everything that I do, and that we do,” she says.