The internet is a weird place. One day you’re just a ten-year-old kid hanging out on a livestream, and the next, you’re having to look into a camera and explain to thousands of strangers that, no, a global pop star is not actually your father. That is exactly what happened to Reign Disick.
For years, a corner of the internet has been obsessed with the idea that Reign Disick and Justin Bieber share more than just a passing resemblance. It’s one of those celebrity conspiracy theories that just won't die. It’s fueled by old paparazzi photos, messy timelines, and the fact that the Kardashian family tree is, well, complicated.
But in March 2025, Reign finally decided he’d had enough. He went live on Instagram with Scooter Jackson—who’s dating his stepsister Alabama Barker—and the comments were flooded. One person straight up asked if Justin was his dad.
Reign didn’t stutter.
"No, he's not. Bro, I swear, Justin Bieber is not my dad. Scotty Scotty Scotty is my dad," Reign said. He even tried to do the math on the fly, guessing Justin was maybe 16 when he was born (he was actually 20, but hey, he's ten). His logic was simple: "I don't think my mom would do that."
Honestly, the kid has a point.
The Timeline That Started the Reign Disick Justin Bieber Rumors
To understand why people are still talking about this in 2026, you have to go back to 2015. It was a chaotic year for Kourtney Kardashian. She had just split from Scott Disick after nearly a decade and three kids together.
Then came the "Purpose" era Justin Bieber.
Suddenly, the 36-year-old reality star and the 21-year-old singer were everywhere together. They were spotted at The Nice Guy in L.A. multiple times. There were rumors of late-night visits. Justin even posted a photo on Instagram of himself with his back to the camera, leaning against an Audi, with a girl whose face was obscured. The caption? "Lord knows."
It was a blatant jab at Scott "The Lord" Disick.
People lost their minds. Sources told People and Us Weekly at the time that they were definitely "hooking up," but it wasn't anything serious. Justin later joked on The Bert Show that he was "being used" by Kourtney, but he called her "great" and said he’d known the family for years.
Why the math doesn't actually add up
Here is the problem with the conspiracy: Reign was born on December 14, 2014.
If you do the basic biological math, he would have been conceived around March or April 2014. At that time, Kourtney and Scott were very much still together. They didn't break up until July 2015. The rumored fling with Justin didn't start until after the breakup, nearly a year after Reign was already born.
Unless Justin Bieber has mastered time travel, the paternity theory falls apart pretty quickly.
The Lookalike Factor: Why Fans Won't Let It Go
If the dates don't work, why do people keep bringing it up? Basically, it’s the hair and the "vibe."
When Reign was younger and wore his hair long, fans constantly compared him to "Baby" era Justin. They both have that specific sandy blonde hair and a certain mischievous look in their eyes. Even as Reign has grown up—he’s ten now—the comparisons persist because of his streetwear style and nonchalant attitude.
But if you look at old photos of a young Scott Disick, the resemblance is actually much stronger there. Kourtney has said as much on The Kardashians. She’s described Reign’s humor as being "like a Jim Carrey" and noted that he’s getting a lot of "vibes" from his dad, Scott.
It’s the sarcasm. The dry wit. That’s pure Disick energy.
How the Family Handles the Noise
The Kardashians are used to rumors, but they get protective when it comes to the kids. Kourtney usually ignores the noise. However, around the same time Reign spoke up, his older brother Mason was also facing some wild internet lies about his own life.
Kourtney finally snapped on her Instagram Story: "I rarely address rumors or conspiracies regarding myself or my family, but this is about my child... They are FAKE."
It’s a tough spot for these kids. They didn't choose to be famous, yet they’re at the center of narratives that involve paternity tests and secret lives before they’ve even finished middle school.
Justin’s side of the story
Justin Bieber, for his part, has stayed completely out of the Reign Disick conversation. He’s a father now himself, having welcomed Jack Blues Bieber with Hailey in August 2024. His life is 100% focused on his own family and his health.
The relationship between the Biebers and the Kardashians is actually quite chill these days. Kendall Jenner is one of Hailey’s best friends. Justin has been seen at Kanye’s Sunday Services and various family birthday parties over the years. He’s more like a family friend or a "fun uncle" figure than anything else.
The Takeaway for the Rest of Us
Celebrity culture loves a good "secret child" story. From Khloé Kardashian’s paternity to the rumors about Prince Harry, it’s a trope that never gets old for the tabloids. But Reign Disick being Justin Bieber’s son is one that just doesn't hold water when you look at the calendar.
It’s easy to get sucked into a TikTok edit that shows two people side-by-side with similar haircuts. It’s much harder to actually look at the 2014-2015 calendar and see that the "fling" happened way after the birth.
Reign seems to have a good head on his shoulders about it, though. He’s leaning into his own identity—which is a mix of his mom’s California cool and his dad’s "Lord Disick" bravado.
Next Steps for the Curious:
- Verify the source: Most of these rumors start on TikTok or Reddit threads without any backing. If you see a "paternity" claim, check the birth date against the rumored dating timeline.
- Respect the kids: Remember that even though they are on TV, these are minors. Spreading paternity rumors can have real-world psychological impacts on children.
- Look at the genetics: Check out photos of Scott Disick as a child. The "Rayman" (as Scott calls him) is clearly his father's twin.
The saga of Reign Disick and Justin Bieber is a masterclass in how a rumor can survive for a decade on vibes alone, despite all evidence to the contrary. But for Reign, the case is closed. He’s a Disick, through and through.