It's time to celebrate Mason Disick and Reign Disick!
As E! readers surely know, Kourtney Kardashian and Scott Disick's two boys share the same birthday, which is today (Dec. 14). While every birthday is one for celebration, this year marks a milestone for both Disick boys.
Specifically, this year marks Mason's 10th birthday and Reign's 5th birthday. It's safe to say that the Disick kids are growing up before our very eyes.
In fact, it seems like only yesterday we were watching Mason's birth on Keeping Up With the Kardashians. Where has time gone?
In order to properly ring in Mason and Reign's shared name day, we felt it was time to break out some old photos. We're talking family vacation moments, iconic group Halloween costumes and so much more!
So, in honor of the two birthday boys, be sure to scroll through their sweetest sibling moments with sister Penelope Disick below. Oh, and don't forget to wish Mason and Reign a happy birthday on social media. After all, you only turn 10 and five once!
Without further ado, we present the Kardashian-Disick family's cutest pics:
What's the point of being a parent if you can't embarrass your kids? Reunited with his kids after Kourtney and Travis Barker's May 22 Italian nuptials, Scott posted an adorable pic of a sleepy Reign on his Instagram story on May 24.
Scott, Mason and Penelope are joined by family friends for a night full of fun, as Scott captioned his Insta story pic, "Got my crew with me."
Now 9 years old, Penelope posed for a sweet selfie with Scott, which he captioned, "My little girl is getting so big I can't take it!"
Scott shared another sweet photo with his daughter on May 24, this time giving her a loving kiss on the head.
Reign, Mason and Penelope are joined by cousin North at their bracelet-making and lemonade stand on Aug. 1. Dad Scott even received a custom "Lord" bracelet from Penelope! "Thanks pooshalini," he joked on Instagram Stories.
Reign, Penelope and Mason play tag on the beach in a sweet pic shared by Scott on July 18.
Scott shared a suntanning pic on his 39th birthday featuring kids Reign and Penelope in their backyard. "Happy bday," Scott captioned the Instagram Story in May 2021.
Scott wishes Kourt a happy 42nd b-day on Apr. 18, 2021. "Happy birthday to the best mom a child could ask for a some more," he wrote with a sweet family photo.
"love and happiness," Kourtney wrote during a weekend getaway to Santa Barbara with her kids in August 2020.
"Pool party," Scott wrote on this photo of Mason and Reign.
"Another day another poosh pose," the father of three quipped about his daughter.
"I got 10 on it," Scott wrote alongside this playful snap of Reign.
"My little precious," the Flip It Like Disick star wrote.
"My loves," Scott declared.
The eldest Kardashian shared to Instagram this cute snap of her youngest son, Reign Disick
Kourtney Kardashian and Mason Disick had a ton of fun goofing around on TikTok.
In April, Kourtney shared photos from her family's trip to Armenia, captioning the photo, "While we stay home now, sharing another part of the world with my photos and story on our trip to Armenia, honoring our roots up on @poosh today."
Reign is rockin' around the Christmas tree(s) in this action shot shared to Instagram in December 2019.
"not sure who has more fun @disneyland #disneyland #HolidaysBeginHere"
Throwback! "Just two cowgirls loving life! #kuwtk," Khloe captioned this selfie from the family's Wyoming trip earlier this year, which played out during Sunday's
Kardashians season finale.
"My silly baby is 5 years old today," Kourtney shared on Saturday, Dec. 14. "Life has so much more meaning with this wild, sensitive boy who has shown me the world through such different eyes."
Both of Kourtney and Scott's boys were born on December 14, but it was their eldest who celebrated double digits this past year. "Happiest tenth birthday to the boy who changed my heart forever. No one is cooler or sweeter than you," his mom wrote on Instagram.
Reign rests on Kourtney after a busy day planting trees.
Penelope and Reign have a sweet sibling moment while at TreePeople in Los Angeles.
"We spent our morning planting trees with @treepeople_org," Kourtney shares on Instagram. "Thank you @futureearth for including us in such a beautiful morning taking care of our Earth."
Scott couldn't love his daughter and his dog more. "My little ones," he wrote online.
Kourtney and her kids get some fresh air away from home! "We have everything we need," she wrote on Instagram.
"A weekend away."
The Disick kids are all fall vibes in Kourtney's latest Instagram post, which sees Penelope and Reign enjoying pumpkin patches and horseback rides in Santa Ynez.
Penelope and her pup cuddle up for a picture! "baby [lion]," Kourtney wrote on Instagram.
What's your favorite Kardashian-Disick family moment? Be sure to let us know!