Instagram | @justinbieber

9+ Pairs Of Celebs We Had No Idea Were Related

It's no coincidence that famous people have famous relatives while all us regular people scrape by, waiting for our big break. It's called nepotism.

Being a star simply runs in the family — what can I say?

Emily Deschanel and Zooey Deschanel.

YouTube | onBonesfan

Maybe I'm just not very observant, but it took the better part of my life for me to realize that Emily and Zooey are straight-up sisters.

Ron Howard and Bryce Dallas Howard.

YouTube | PeopleTV

I really do not understand how we haven't already pieced this puzzle together — and I'm deeply ashamed that I'm just realizing this now — the world-renowned filmmaker, Ron Howard, is the father of actress Bryce Dallas Howard.

Jonah Hill and Beanie Feldstein.

YouTube | The Tonight Show Starring Jimmy Fallon, Late Night with Seth Meyers

Because these two have different last names, you may have never guessed these two were closely related.

But Jonah Hill's real last name is actually Feldstein as well, and these two are brother and sister.

Snoop Dogg and Brandy.

YouTube | BrandyBiggestFan

It's pretty well-known that Brandy and Ray J are siblings — she put him on the map — paved the way for his music career.

But I bet you didn't know that Snoop Dogg is also apart of the family! He's Brandy and Ray J's first cousin.

Halle Berry and Sarah Palin.

YouTube | Celebrity InterviewsInside - CNN

"In some twisted way... somebody sent me this information that she was my distant [relative]," Halle Berry said in an interview with Daily Mail, revealing that she and Sarah Palin are somewhat related.

Jenny McCarthy and Melissa McCarthy.

YouTube | Jimmy Kimmel Live - bethenny

While they have the same last name, some might have never put two and two together. Jenny and Melissa McCarthy are actually first cousins.

David Spade and Kate Spade.

YouTube | Entertainment Tonight

Kate Spade was married to David Spade's brother, Andy Spade, making her David's sister-in-law.

David paid tribute to Kate with an emotional, heartfelt interview on Good Morning America following her passing.

Steven Spielberg and Jessica Capshaw.

Getty Images | Jeff Kravitz

Grey's Anatomy star, Jessica Capshaw became one of Steven Spielberg's stepdaughters, after her mom, Kate Capshaw, married him in 1991.

Small world.

Ashlee Simpson and Diana Ross.

YouTube | Watch What Happens Live with Andy Cohen - Cal Vid

Alright, so, these two aren't technically related by blood. But they are family!

Ashlee is married to Diana Ross' son, Evan Ross, making Diana her mother-in-law.

Quincy Jones and Rashida Jones.

YouTube | USA TODAY

Famous, Grammy award-winning music producer, songwriter, musician, composer, and film director, Quincy Jones, is the father of Parks and Recreation star, Rashida Jones.

Mind. Blown. How did we miss this?!

Julia Roberts and Emma Roberts.

Too Fab

Not sure how I never realized this, since they have the same last name, and they definitely share some major resemblances.

Julia Roberts is Emma Robert's aunt.

Jason Momoa and Zoë Kravitz.

Getty Images | Jerod Harris

Back when Jason's wife, Lisa Bonet, was married to Lenny Kravitz back in 1988, they welcomed their daughter Zoë into the world.

But now Jason is married to Lisa, and while they have children of their own as well, Jason has stepped in to be a stepparent to Zoë also.

Adorable, I know. Everything he does is adorable, let's face it.

Jennifer Aniston and John Aniston.

Getty Images | Stephen Shugerman

This one goes out to all the soap-opera fans out there!

Jennifer Aniston is the daughter of Days Of Our Lives star, John Aniston — who was a large part of the series for 30 years.

Kelly Clarkson and Reba McEntire.

YouTube | Reba McEntire

These two vocal powerhouses aren't related biologically. But they do have something that ties them together as family.

After Kelly married her now-husband, Brandon Blackstock, who's also Reba's stepson, Kelly was finally able to call her longtime idol her stepmother-in-law.

Justin Bieber and Avril Lavigne.

Instagram | @justinbieber

I really wish I was about to tell you guys that these two are secretly siblings or first cousins. But what I've got for you instead is way less exciting.

Through mutual relatives, these two are 12th cousins.

Kate Middleton and the Fanning Sisters

Getty Images | Max Mumby, Indigo, David M. Benett

Popular genealogy website Ancestry.com revealed that Katie Middleton and Dakota and Elle Fanning are royally related.

They are all descendants of King Edward III! Nbd.

Julianne Moore and Marissa Tomei

Getty Images | Gregg DeGuire, FilmMagic

Marissa Tomei first found out about being genetically related to Julianne Moore in an episode for the PBS show Finding Your Roots.

They share identical DNA on her X chromosome. So wild!

The two actually went to school together and have been friends for a long time.

Watch Marissa's Instagram video to catch her shock, amazement, and excitement when she learned the news.

Lily Allen and GOT Actor Alfie Allen

Getty Images | Dave M. Benett

I mean, the last name's might make their siblingship obvious, but unless you live over the pond, you wouldn't know!

I wonder if he tells her all the spoilers or lets her suffer in anticipation like the rest of us.

Larry David and Bernie Sanders

Getty Images | NBC

DNA testing is proving to really bring celebrities together! It turns out that Larry David and Bernie Sanders found out each other share DNA from an extremely distance relative on Finding Your Roots, too.

Emily Blunt and Stanley Tucci

Getty Images | Sylvain Gaboury

We all know that Emily and Stanley starred in The Devil Wears Prada together back in the day. That co-starring ultimately led to Stanley and Emily's sister marrying one another, which makes Emily his sister-in-law.