NEW YORK (AP) — It’s a boy for Alicia Keys and her husband, music producer/rapper Swizz Beatz.

A representative for Keys said she gave birth Thursday night in New York. The couple have named their son Egypt Dean. It’s the first child for the 29-year-old superstar and the fourth child for Beatz, whose real name is Kaseem Dean. The couple was married July 31.

Swizz Beatz, 31, took time to tweet on Friday: “I’m so thankful for everything I been blessed with in my life wowwwwww!

Singer Mary J. Blige also tweeted her congratulations on the birth.

Copyright 2010 The Associated Press.