News Kourtney Kardashian Reveals Her Baby's Name By Rosalyn Oshmyansky 1:04 PM PST, December 21, 2014 Getty Images There have been a lot of unusual baby names this year, and Kourtney Kardashian also went with one that is not so common. On Dec. 14, the reality star welcomed her third child with her beau Scott Disick. Today, she shared the first pic of her baby boy, Reign Aston Disick. PHOTOS: They Named Their Kids What?! Reign was born on the same day as big brother, Mason, 5, and the two brothers also have a sister Penelope, 2. NEWS: The 16 Weirdest Celebrity Baby Names of 2014 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. Will Reign become the new popular name? Let us know what you think using #ETnow. Check out the most amazing pregnancy styles of this year in the video below. Related GalleryAdorable Tots: Celebs and their Cute Kids!