Keeping Up With The Kardashians star, Kourtney Kardashian, has three beautiful children with her ex-boyfriend, Scott Disick.

The pair started dating in 2006 and broke it off in 2015. Despite the split, they’re still very good friends. They co-parent their three children together.

Their oldest son is named Mason Dash Disick and their middle child is Penelope Scotland Disick.

The couple really made fans raise their eyebrows when it came to the eccentric first name they chose for their third son, Reign Aston Disick.

Kardashian is a proud mother who loves sharing photos of her children on social media, although she’s come under fire for the fact that Reign has such long hair.

Learn more about Kourtney’s youngest in the article below.

13 His Mom Lets Him Wear His Batman Costume While Home Schooling

Kourtney Kardashian recently posted some adorable pictures of her youngest son, Reign Aston Disick, on her official Instagram. In the pics, he was being home-schooled while wearing a Batman costume.

In the time of the dangerous COVID-19 virus, when kids are learning remotely, whatever helps a child sit down and learn is a very good thing!

RELATED: Kourtney Kardashian Faces Backlash Over Privacy While Sister Kendall Jenner Remains Low Key

12 Reign Loves The Family Dog, Honey

Proud mama Kourtney Kardashian is rich, famous, and an animal lover. She took to Instagram to share a cute video of her youngest son snuggling with the family dog, Honey.

Both Reign and Honey are curled up together and enjoying some cuddle time. Honey seems delighted to have her buddy next to her since she’s licking his hand.

11 He Seems Fascinated By The Art Of Cooking

Not only does Reign love playing with dogs, but he seems to be incredibly curious about the art of cooking!

In one photo that was posted to social media, Reign can be seen wearing long pajamas as he stands on a chair next to the stove. He was helping his mother make an omelet.

10 Kourtney Kardashian Dressed Him Up As The Cowardly Lion For Halloween

Most parents dress their toddlers up in typical Halloween costumes, like pumpkin or black cat costumes.

Thankfully for Reign, his mother is actually quite creative when it comes to Halloween costumes. Back in 2017, he went as the Cowardly Lion from the Wizard of Oz. He won the hearts of everyone when he went trick-or-treating!

RELATED: Kourtney Kardashian Takes An Intimate Insta-Moment To Give Her Daughter A Self-Esteem Boost

9 His Parents Got Him Into Tennis

Many parents enroll their children in sports or other athletic activities. Some kids wind up taking karate lessons, while others learn how to ice skate.

Scott Disick and Kourtney Kardashian are making sure that Reign has a bit more variety in his childhood sports classes, by signing him up for tennis.

8 Kourtney Wanted To Spell His Name Differently

While some people might side-eye the ever-living heck out of Kourtney Kardashian and Scott Disick for naming their son, “Reign,” Cosmopolitan notes that the name was on Kourtney Kardashian's mind for a while.

Kardashian thought about naming her first two children, “Reign”, but with the spelling, "R-A-I-N." She eventually decided against spelling the name, 'R-A-I-N', when her youngest was born.

7 He Isn't Always Thrilled About Group Family Costumes

Halloween is clearly a very big deal with the Kardashian-Disick families; they’re very creative with their costumes and excel at coming up with group themes.

Unfortunately for Reign, he isn’t always thrilled with his mom’s choices. Just look at that hilarious look on his face - he's being forced to dress up as Mighty Morphin’ Power Ranger!

6 Reign's BFF Is His Cousin, Saint

One of the best things about the Kardashian clan being so darn close-knit is that their children will have plenty of happy memories of playing with their cousins.

According to Cosmopolitan, Reign has actually been bonding with his cousin, Saint, daughter of Kim Kardashian. They even took a cute picture together in honor of Saint’s dad, Kanye West!

5 Kourtney Took Him To Armenia To Get Baptized

In October 2019, the Kardashian clan made the decision to take their children to Armenia in order to get baptized.

People reported that Kim brought Psalm, Chicago, and Saint alongside their cousins, Reign, Penelope, and Mason. The children were baptized at the Etchmiadzin Cathedral, which is located in Vagharshapat, Armenia

RELATED: Scott Disick And Kourtney’s Relationship Timeline (And Where They’re Going Next)

4 He Flipped Off The Paparazzi Once

If there’s anything that the beloved television show, America’s Funniest Home Videos, has taught the world, it is that kids can be unintentionally hilarious—and embarrassing!

Mommyish writes that Reign must have seen his mom and aunts flipping off the paparazzi! Why" Well, one time, last year, he innocently decided to mimic them. Poor Kourtney must have been mortified!

3 Reign's Zodiac Sign Is Sagittarius

Kourtney Kardashian’s youngest son was born on December 14th, 2014. According to astrology, this makes him a Sagittarius.

Astrology Zodiac Signs notes that Sagittarians are known for boundless enthusiasm, extroverted personalities, humor, and love of the outdoors. They can get annoyed if their freedom is restricted, though.

2 Reign And His Big Brother Mason Share A Birthday

Funnily enough, big brother, Mason, and little brother, Reign, actually share the same birthday...and the exact same zodiac sign.

E! Online writes that Mason was born on December 14th, 2009. Five years later, his little brother, Reign, decided to be born on the exact same day in 2014. That must make birthdays interesting!

1 He Loves To Dance For The Camera

Kourtney Kardashian (who may get copied by Sofia Richie sometimes) uploaded a cute video of Reign hamming it up for the camera, for all his adoring fans to “oooh” and “ahhhh” over.

The video is a compilation of Reign attempting to dance but looking awkward. He rocks from side to side while flailing his arms. Needless to say, big bro Mason couldn’t resist giggling at his sibling!

NEXT: Kourtney Kardashian Shuts Down Pregnancy Rumors