Kourtney Kardashian shares first picture of son Reign Aston Disick

NEW YORK -- Here he is! Meet Reign, the 3-month-old son of reality star Kourtney Kardashian and her longtime boyfriend, Scott Disick. Kourtney posted the adorable picture on social media Thursday, much to the delight of her 15.3 million Instagram followers.

The proud mommy captioned the photo, "my little turtle dove angel baby Reign Aston Disick." Grandma Kris Jenner also shared the sweet picture on her social media pages writing,'meet my beautiful grandson!! #blessed #oneofthelovesofmylife.'

Though he was born on December 14, April 2 marks the newborn's official public debut. Wearing a light gray onesie and hanging out on a furry white blanket, little Reign can be seen smiling for the camera!

Reign joins big siblings Mason, 5, and Penelope, 2. He also shares the same birthday as his older brother, Mason.

And yes, we are still keeping up with the Kardashians!