Kourtney Kardashian and Scott Disick have given their newborn a worthy name for the son of a Lord Disick.
Kardashian gave the world its first glimpse at the baby boy named Reign Aston Disick. She wanted to wait to name him until after his birth, which came on Sunday, Dec. 14.
"Madly in love with my little Reign Aston Disick," she captioned her Instagram photo of Reign's tiny hand clasped in his mother's.
Kardashian delivered her newborn the same day as her oldest child's birthday, Mason, who turned five last week. The brothers also have a sister, two-year-old Penelope.
"The family is freaking out with joy," a source told E! News shortly after Reign's birth. "What an amazing coincidence."
The E! cameras documented almost every moment of the pregnancy. Kardashian told Disick about her third pregnancy on "Keeping Up With the Kardashians." He had a less than great response, but soon came around.
On a recent episode of "Kourtney & Khloe Take the Hamptons," Kardashian enlisted the help of Mason to announce if he would have a new baby brother or sister when his mother gave birth. Kourtney's sister Kim explained that Mason would enter the room with either a blue star or a pink star to indicate the sex of the baby. Both Kardashian sisters and their mom Kris Jenner awaited his arrival.
In a new episode of "Kourtney & Khloe Take the Hamptons," Kourtney and Scott head to Fire Island tonight at 9 p.m. on E!.