Photos: Kourtney Kardashian reveals the name of her & Scott Disick's new baby & shares first photo

On Dec. 14, reality star Kourtney Kardashian welcomed her third child with her beau Scott Disick. Today, she shared the first pic of her baby boy, Reign Aston Disick.

Reign was born on the same day as big brother, Mason, 5, and the two brothers also have a sister Penelope, 2.

Kourtney is not the only one with the royal sounding baby name. Rapper Lil' Kim also used the name Reign for her daughter, Royal Reign, born in June of this year.