23 Celebrity Siblings You Didn’t Know Were Related — Fame Is In Their DNA

As you very likely know, Orlando Bloom is famous for his roles in The Lord of the Rings and Pirates of the Caribbean. His older sister Samantha Bloom is also an actor and has been featured in Pride & Prejudice and Love and Other Disasters.

If you're a fan of Little Miss Sunshine or Scream Queens, then you know actress Abigail Breslin. Her brother Spencer Breslin is also in the business, and has had roles in The Cat in the Hat and The Happening.

Famed fashion model Cara Delevingne has since entered the acting world with roles in Suicide Squad and Paper Towns. Her sister Poppy Delevingne has also maintained a longtime modeling career, and she recently had an acting role in Kingsman: The Golden Circle.

Emily Deschanel is known for starring on the TV show Bones. Her sister Zooey Deschanel stars on the TV show New Girl, and also headlined the movie 500 Days of Summer alongside Joseph Gordon Levitt. Fun fact: The sisters both film their hit shows on the same lot, which is probably why when visitors come, they get two Deschanels in one visit, as Zooey hilariously recounted to Seth Meyers.

Kevin Dillon is known for his work on Entourage and Poseidon. His brother Matt Dillon appeared in the '90s classics There's Something About Mary and Wild Things. Even with their drastically different eye colors, there is no denying these two are related.

Their last names may be different, but these actresses are half-sisters. Madison De La Garza played Juanita Solis in Desperate Housewives, and she also appeared in Bad Teacher and Good Luck Charlie. After appearing in movies like Camp Rock, Demi Lovato has gone on to achieve acclaim as a singer, with hits like "Heart Attack" and "Sorry Not Sorry."

After appearing on Broadway shows and two Nickelodeon TV series what seems like ages ago, Ariana Grande launched into a music career with songs like "Problem" and "Dangerous Woman." Her brother Frankie is a Broadway performer, YouTube personality, and dancer who competed in the Big Brother series.

The children of Meryl Streep and Don Gummer, these sisters were basically bound for the spotlight. Mamie, the eldest, has appeared in Ricki and the Flash, Side Effects, and The Ward. Grace, meanwhile, has been in Frances Ha, The Homesman, and Extant. Lastly, you may recognize Louisa not from the screen, big or small, but from her modeling gigs. She has shot campaigns with fashion powerhouse Dior and editorials from Glamour to Vanity Fair.

OK, did you know there's a third Hemsworth brother? Sure, Chris Hemsworth is famous for his roles in Thor, The Avengers, and Thor: Ragnarok, and the youngest Hemsworth, Liam, played Gale Hawthorne in The Hunger Games movies. But there's another Hemsworth, Luke, who is best known for his role as Ashley Stubbs in the massively popular Westworld, and he also appeared alongside brother Chris in Thor: Ragnarok. It looks like this family is all about the fantasy-action genre.

If you're a fan of Mad Max: Fury Road, About a Boy, or Warm Bodies, then you know all about Nicholas Hoult. His sister Rosanna is also in the acting biz, and has been inViking Siege, The Lobster, and Captain America: The First Avenger.

Daughters of music mogul Quincy Jones, Kidada and Rashida are making waves in their own respective industries. Kidada has had minor roles in movies Empire, Thicker Than Water, and Black & White, designed a line of princess-inspired clothes and accessories for Disney, and most recently, she released her book School of Awake: A Girl's Guide to the Universe. Her sister, meanwhile, is actress Rashida Jones, who has appeared in Parks and Recreation, The Social Network, and Celeste & Jesse Forever.

Sure, Blake Lively is well known for her roles in Gossip Girl and The Age of Adaline, but her brother Eric Lively is also an actor. He's had roles in American Pie, The Butterfly Effect 2, and the TV series So Weird.

Plus, their older sister Robyn Lively starred in the film Teen Witch, and she appeared on TV shows such as Twin Peaks and Saving Grace. Try to top that.

Known for her roles in House of Cards and Fantastic Four, Kate Mara is an accomplished actress. Meanwhile, her sister Rooney Mara had big roles in The Girl With The Dragon Tattoo, The Social Network, and Side Effects. We can't wait to see what these heavy-hitters star in next.

OK, so the twins, both Full House alums, are obvious, but did you realize that Elizabeth is their younger sis? Elizabeth is a critically-acclaimed actress who has appeared in Martha Marcy May Marlene, Captain America: Civil War, and Avengers: Age of Ultron, and while MK & A don't act anymore, they do support their younger sis often by dressing her for the red carpet with pieces from their super chic line, The Row.

It's no surprise the children of superstar Diana Ross would also become stars in their own right. Evan Ross is known for his roles in The Hunger Games films, as well as According to Greta, and is married to Ashlee Simpson. His sister, Tracee Ellis Ross, has appeared in Girlfriends, Reed Between the Lines, and has a starring role in the hit TV series Black-ish.

Andrew Wilson, Owen Wilson, and Luke Wilson certainly bear a family resemblance in this pic, and it looks like the brothers also share a talent for acting as well. Oldest brother Andrew has appeared in films such as Whip It, Bottle Rocket, and Idiocracy. Meanwhile, the middle child Owen is known for roles in The Royal Tenenbaums, Wedding Crashers, and Midnight in Paris. The youngest brother Luke Wilson has appeared in Old School, The Royal Tenenbaums, and several TV shows. Yes, there is definitely a lot of crossover between these three.

Singer Lily Allen, whose hit singles "Smile" and "The Fear" did fantastically well in the United States and U.K. is not the only famous person in the family. Alfie Allen is her younger brother and plays Theon Greyjoy on Game of Thrones. Ok, now we see the resemblence.

Wait — Julia Roberts has a brother and he was nominated for an Oscar? Yes, Eric Roberts was nominated for Best Actor in a Supporting Role for his performance in Runaway Train. The prolific actor has also appeared in The Dark Knight, Inherent Vice, and The Expendables. Julia Roberts is of course known for her classic roles in Pretty Woman, My Best Friend's Wedding, and Erin Brockovich.

Jessica Alba is famed for her work in Fantastic Four and Sin City, and her role on the TV show Dark Angel is still praised. Her brother Joshua Alba is also in the business, and he appeared in Kill Speed and Alpha Dog.

OK, if you just saw a photo of these two men together, would you ever guess they're brothers? Both are the sons of Martin Sheen, an actor famed for his roles on Apocalypse Now and Badlands. (His full name is Ramón Antonio Gerard Estevez, and he took on the last name Sheen as a stage name.) Emilio Estevez, who stuck with his family's given name, is famed for his appearances in The Breakfast Club, Young Guns, and The Mighty Ducks. Meanwhile Charlie Sheen, who adopted his father's stage name, is known for his roles in Wall Street, Young Guns, and Two and a Half Men.

You might know Oliver Hudson from Walk of Shame, Scream Queens, or Nashville. His sister Kate Hudson is famed for her roles in Almost Famous, How to Lose a Guy in 10 Days, and Nine.

Joseph Fiennes starred in Shakespeare in Love, and he's also appeared in American Horror Story and The Handmaid's Tale. His brother Ralph Fiennes is famous for his work in Schindler's List and The Grand Budapest Hotel, and he also played Lord Voldemort in the later Harry Potter movies.