Scott captioned, "My boy" to a cute photo of Reign making a face while playing with a water glass during a meal on July 18.
Reign, Mason and Penelope played tag in the sand on July 18.
Reign was all smiles while posing with family friends and sister Penelope during lunch in the Hamptons on July 18.
Reign points to the horizon while donning a wetsuit during a May 2021 surf lesson.
Reign adorably practices surfing on the sand in a sweet pic from May 2021.
Reign debuts a freshly buzzed head in March 2021, as seen in a photo Scott Disick shared on his Instagram Story.
"A mighty fine little man [red heart emoji]," Scott Disick captioned this March 15, 2021 pic, the last one showing his son with the mohawk he debuted in September 2020.
Only the best brands for this 6-year-old rockstar in the making.
Sorry, Reign—there's no getting behind the wheel of this sweet ride for at least 10 years!
Scott shares a morning snap of Reign and his signature mohawk.
Scott introduced his adorable new dog in February 2021 with some cute pics, including this cuddle sesh with Reign.
Scott Disick's youngest looked ready to rock in this snap from Instagram.
Reign Disick showed off his upgraded mohawk on his dad's social media.
Scott gave a close up during Reign's October 2020 hair cut.
For this father-son photo, Scott simply wrote, "Mr reign".
That's exactly what Scott Disick wrote on this adorable snap of Reign in September 2020.
In September 2020, Scott posted this photo and wrote, "Hello my little turtle dove."
For this picture, Scott joked, "'I love this show'"
Scott wrote on Instagram in August 2020, "Just a little reign and sunshine."
For an Instagram post in August 2020, Scott Disick declared, "The cutest boy in the world."
Following Reign's buzz cut, Scott Disick shared this picture perfect update. He wrote, "Play on playa."
Kourtney shocked fans when she revealed Reign shaved off his signature blond locks!
Kourtney takes her kids to Santa Barbara for a weekend getaway in August 2020.
Little Reign is all smiles while cuddling with mama Kourtney.