The "Keeping Up With the Kardashians" star took to her Instagram to reveal the name of her new baby.
Reality star, Kourtney Kardashian, has revealed the name of her new born son a week after giving birth.
Kourtney shared a photo of the baby’s tiny hand and also revealed his name with the caption.
"Madly in love with my little Reign Aston Disick," Kourtney Kardashian wrote next to the snap.
Kourtney and long-term partner, Scott Disick, welcomed their third child into the world on Friday, December 14.
Reign was born on the birthday of his elder brother and the couple’s first child, Mason, who turned five that day. Kardashian and Disick also have a 2-year-old daughter, Penelope.