Singer Alicia Keys and her husband, producer Swizz Beatz welcomed a baby boy on Saturday, Dec. 27.

Keys announced the birth of her second son, named Genesis Ali Dean, via Instagram on Sunday with a photo of the baby's footprints captioned, "The joy of joy is joy!! It's a boy!! We are so grateful!! #blessings!!" He was born at 1:52 a.m. and weighed 6 lbs., 5 oz.

The couple also has a four-year-old son named Egypt Daoud and Swizz Beatz has three children from a previous relationship—daughter Nicole and sons Prince Nasir and Kasseem. Keys announced her pregnancy on Instagram in July.