As we all know, Hollywood is a very small place. Everyone seems to know everyone.
But what if we told you there are plenty of A-list celebrities that are actually related to one another?
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Some you may have heard of, but others… will blow your mind.
Here are 45 celebrities that we never knew were related.
Image: Getty.
Actors; Nicolas Cage, Sofia Coppola, and Jason Schwartzman are all first cousins.
Although they are no longer related, these two A-list actors were for a very long time. Lowe's brother, actor Chad Lowe, was married to Hilary Swank for 10 years. They split in 2007.
Image: Getty.
Aquaman Jason Momoa is actually Zoe Kravitz's stepfather. In 2017, Momoa married Lisa Bonet. Zoe is the daughter of Bonet and musician Lenny Kravitz.
The two maintain a close relationship.
Image: Warner Bros.
OK, this is one that blew our minds. The actors that play these Harry Potter characters, Brendan Gleeson and Domhnall Gleeson, are actually father and son.
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Liev Schreiber and Pablo Schreiber are both notable actors in their own right, and also happen to be half-brothers. Their father Tell Carroll Schreiber was also an actor.
Image: Getty.
Upcoming actress Zoey Deutch was always destined to be a part of the movie-making business. Her mother is Lea Thompson, the leading lady in the Back to the Future franchise.
Image: Getty.
These two are each married to one half of the Madden twins. Diaz is married to Benji Madden, while Richie is married to Joel. It's believed Richie played matchmaker for Diaz and Benji Madden.
Image: Getty.
So you'd think the last name would be a giveaway, but it's surprising how many people don't know this connection.
The documentary maker and actor are actually first cousins. And the two are so close that Louis told The Guardian that if they ever make a movie about him, he'd like Justin to play him.
Image: Getty.
The Fifty Shades of Grey star was once the step-daughter of actor Antonio Banderas. Banderas was married to Johnson's mother, Melanie Griffith, for 19 years before the pair split in June 2014.
Image: Getty.
The Gossip Girl star and Coach Bolton from the High School Musical films are related, and actually have been for quite some time.
Johnson married Blake's sister Robyn Lively back in 1999, meaning the two are brother and sister-in-law.
Image: Getty.
The powerhouse that is Barbra Streisand married James Brolin in 1998. Meaning, she is now stepmother to the actor, Josh Brolin.
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Stanley Tucci attended the wedding of his friend and Devil Wears Prada co-star, Emily Blunt, in Lake Como, Italy. That evening the bride introduced him to her sister, Felicity, a London-based literary agent.
They married in 2012.
Once you read that they all have the same last name this will make total sense. But if you've been watching (and loving) Schitt's Creek, the father Johnny, son David and waitress Twyla are all family in real life.
Yes, Twyla and David are siblings.
Image: Getty.
Emma Roberts was born into one of the most recognisable families in Hollywood. Her aunty is Academy Award-winning actress Julia Roberts and her father, Eric Roberts, has been nominated for an Oscar.
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Jessica Capshaw is known for playing the role of Arizona Robbins in Grey's Anatomy. What most people might not know, is that her stepfather is Academy Award-winning filmmaker, Steven Spielberg.
Image: Getty.
Kate Hudson and Wyatt Russell are half-siblings. Russell, who has starred in Black Mirror and 22 Jump Street, is the son of Kurt Russell and Goldie Hawn.
Hudson's mother is Hawn, which means Russell is the younger half-brother of both Kate and Oliver Hudson.
Image: Getty.
This is a little bit of a complicated one, but perhaps unsurprisingly, Melissa McCarthy is first cousins with Jenny McCarthy. Jenny is married to Donnie Wahlberg, whose younger brother is Mark Wahlberg.
This means that Mark Wahlberg and Jenny McCarthy are in-laws, which naturally brings Melissa McCarthy into the family tree too.
Image: Getty.
Mamie Gummer is known for her recurring role as Nancy Crozier in the political drama, The Good Wife. But something many wouldn't know is that her mother is the fantastic Meryl Streep.
Image: Getty.
Ashlee Simpson not only grew up with a famous sister, Jessica Simpson, but she also married into a famous family.
Back in 2014, Simpson married the actor and musician, Evan Ross. His sister is Tracee Ellis Ross and their mother is the iconic Diana Ross.
Image: Getty.
Another surprising connection here. The upcoming singer of the hit single, Ex's and Oh's, real name isn't Elle King, it's Elle Schneider. Her dad is the hilarious actor and comedian, Rob Schneider.
Image: Getty.
Yes, another pair of related celebrities that we probably should've known about considering the last name. However, it came as a surprise that American filmmaker Ron Howard's daughter is the actress Bryce Dallas Howard.
Image: Getty.
For many, this will come as no shock, but for others, this might be news to you.
Yes, Owen Wilson and Luke Wilson are brothers.
Image: Getty.
Probably the biggest surprise of all.
The Game of Thrones and Jojo Rabbit actor, Alfie Allen, is the younger brother of pop sensation Lily Allen.
Woah.
Feature image: Getty.
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Top Comments
I only learnt about them yesterday! Was so surprised. I must listen to that song now considering all I know him from is his success on Game of Thrones.