Sibling: Abigail Breslin

Spencer Breslin is most well-known for his role in Disney’s “The Kid” with Bruce Willis. While 21-year-old Spencer is still acting today, his younger sister Abigail seems to be stealing the spotlight. The 17-year-old has appeared in many well-known films, including “Zombieland,” “New Year’s Eve,” and most recently “Ender’s Game.”

Sibling: Scarlett Johansson

Yes, Scarlett Johansson is also a twin. Although her brother Hunter isn’t an actor, the twins have actually appeared in a film together. The two can be seen in the 1996 film “Manny & Lo.” At that time, they were only 12.

Siblings: Kelly and Jack Osbourne

Surprisingly, the Osbourne’s have another sister, and she’s the oldest! Thirty-year-old Aimee Osbourne opted out of the family’s MTV hit show in favour of a more private life. However, she has appeared in film in the 2003 MTV version of “Wuthering Heights.”

The Osbourne’s father, Ozzy, is also a father to adopted son Elliot Kingsley, as well as Jessica and Louis Osbourne who he had with his first wife Thelma Reese.

Sibling: Kate Hudson

Oliver Hudson is an actor known for his role on the TV show “Rules of Engagement.” While many recognize him, they may not know that he is the older brother of actress Kate Hudson. And the attractive siblings are both children of successful actress and producer Goldie Hawn.

Siblings: Liam and Chris Hemsworth

Yes, there is another Hemsworth brother and his name is Luke! The 32-year-old began acting before his brothers and appeared in the film “Neighbours.” Later on, he left acting and started his own timber-flooring business. After the success of his two brothers, Luke has since returned to the acting scene and has landed a role in the Australian movie “The Reckoning.”

Sibling: Sofia Vergara

Modern Family’s Sofia Vergara is known for her charm and her curves, but turns out her younger sister is also a burnette bombshell. Sandra Vergara is also an actress and has appeared in films such as “Fright Night” as well as countless TV shows. Sandra can currently be seen on the show “The Bold and the Beautiful.”

Sibling: Angelina Jolie

Surprisingly, Angelina Jolie has a brother! And they both share the same distinctive facial features: full lips and captivating eyes. James and Angelina are the children of actor Jon Voight and actress Marcheline Bertrand, who sadly passed away in 2007. Like his younger sister, James is also an actor. He plays minor roles in both film and TV.

Sibling: Beyonce Knowles

While Beyonce tends to dominate the press, her sister Solange is also a singer and fashion icon.

Sibling: Emma Watson

We bet you didn’t know that Emma Watson had a brother! Alex is basically a male version of her, considering how much the two look alike. Alex was an extra in the “Harry Potter” films and is currently a model. In 2010, the brother-sister duo appeared together in Burberry’s Spring/Summer campaign. It’s safe to say that this sibling combo is a winning pair.

Sibling: Jon Heder

Funnyman Jon Heder, who you might recognize as Napoleon Dynamite, has a secret. He has an identical twin brother! Dan is an actor and producer and has worked on films such as “47 Ronin,” “Monster House,” and “Funky Town.”

Siblings: Mary-Kate and Ashley Olsen

While Mary-Kate and Ashley’s fame skyrocketed in the 90s after they had previously starred in the show “Full House” when they were young. Now, their younger sister Elizabeth is taking to the spotlight. The 25-year-old is now an actress and singer. But surprisingly, the Olsen family also has three other siblings who aren’t as well-known: Trent, Jake, and Taylor.

Siblings: Luke and Owen Wilson

Although Andrew Wilson is lesser known than his younger brothers, he is just as successful. Andrew is actually a film actor and director. He directed “The Wendell Baker Story,” which stars his two brothers, and he currently has another two films in the works.

Sibling: Miley Cyrus

Surprisingly, Miley Cyrus comes from a big family. In fact, she has five siblings altogether! Her older sister Brandi is often photographed with Miley at events. Brandi is an actress and has appeared in “Hannah Montana: Live in London” and is set to appear in the film “Old 37.”

Sibling: Jennifer Lawrence

Jennifer Lawrence is such a huge Hollywood star that it’s easy to forget she’s not an only child! The “Hunger Games” actress has two older brothers, Ben and Blaine, who she usually takes with her to big events. Here they are attending the 2013 Film Independent Spirit Awards, and Jennifer has also taken them with her to the Academy Awards where she won Best Actress for her role in “Silver Linings Playbook.”

Sibling: Brad Pitt

Contrary to popular belief, Brad isn’t the only Pitt boy out there. The Hollywood actor has a younger brother named Doug who is a successful businessman, philanthropist, and Goodwill Ambassador for the United Republic of Tanzania. Wow!

Sibling: Lupita Nyong\'o

Actress Lupita Nyong\'o and her brother Peter are best friends. She even thanked him in her Oscar acceptance piece.

Check out Peter\'s Instagram account to see just how close this family is. Aww!

Sibling: Kylie Minogue

Singer Kylie isn’t the only famous face in the Minogue family! Overseas, her sister Dannii is known as a singer, actress, TV personality, model, AND fashion designer. With such an impressive resume, it’s funny that she isn’t more well-known over here in Canada!

Sibling: Hilary Duff

Okay, so this sibling pair isn’t really all that surprising, but we thought we would include it just in case you forgot! When Hilary was a teen star during her “Lizzie McGuire” days, she started doing films around the same time. In 2006, the sisters starred together in the film “Material Girls,” for which Haylie is known for. Haylie is still an actress today, however only in minor roles.

Sibling: Penelope Cruz

It’s not hard to believe that Monica and Penelope Cruz are related! They look so much alike! While Penelope is famous in the US, her younger sister is famous in Spain! Monica is a Spanish actress and dancer. In May 2013, the 37-year-old gave birth to her first child, Antonella, who was conceived via insemination.

Siblings: Billy, Stephen, Alec and Daniel Baldwin

The Baldwin brothers are all very famous and successful!

Alec, 55, is the oldest brother probably the most well-known. He is an actor on stage, film, and television and is most recognized for his role in the TV show “30 Rock.”

Daniel, 53, is the second oldest brother. Along with being an actor, he is also notable producer and director.

Billy, 51, also known as William, is an actor, producer, and writer. He is best known for his roles on various TV shows such as “Parenthood,” Hawaii Five-0,” and “Gossip Girl.”

Stephen, 47, is the youngest brother and is an actor, director, producer, and author. He is best known for his roles in “The Usual Suspects,” “Bio-Dome,” and “The Flinstones in Viva Rock Vegas.”

Sibling: Ralph Fiennes

Although Joseph and Ralph Feinnes look nothing alike, they are in fact brothers! Joseph is the younger of the two and is also a notable actor. However, Joseph’s acting isn’t limited to film since he is also known for his roles on stage. Most would recognize Joseph for his portrayal of William Shakespeare in the film “Shakespeare in Love” where he stars alongside Gwyneth Paltrow.

Sibling: Ashton Kutcher

Ashton Kutcher and his brother Michael are twins. Yes, TWINS! Their mother was surprised as well when she gave birth to them in 1978. She was only expecting a boy at the time, but Ashton was born first, followed by Michael. Recently, Ashton attended his brother’s private wedding in March 2014.

Of his brother, Michael commented to the Ottumwa Courier, “We\'re twins ... and I consider him my best friend.”

Sibling: Kate Mara

Kate and Rooney Mara are both actresses, but we bet you didn’t know they were sisters! With two very different names and looks, it’s surprising that the two are related. Rooney is best known for transforming herself into Lisabeth Salander for her role in “The Girl with the Dragon Tattoo.” Kate, on the other hand, is known as Zoe Barnes on the Netflix show “House of Cards,” but the actress has also appeared in other shows like “24” and some films as well.

Sibling: James Franco

Dave Franco is the younger brother of James. While Dave has stayed under the radar in his early years, he has recently come into the spotlight with his films. The 28-year-old is most well-known for his roles in “21 Jump Street,” “Charlie St. Cloud,” and “Now You See Me.” But the actor has also appeared on various TV shows like “Scrubs” and “Do Not Disturb.” Pretty soon, he just might be as famous as his older brother!

Sibling: Zooey Deschanel

It’s funny to think that Emily and Zooey Deschanel are sisters, but they are. The two have very different personalities on screen and don’t look much alike until you see them side by side. Zooey is known for her fun, quirky character on the show “New Girl,” whereas her sister Emily is known in the comedy-drama “Bones.”

Sibling: Ryan Gosling

Yes, Ryan Gosling has an older sister and she’s just as beautiful. Not much is known about her, but we do know that the Canadian actor has brought her along to events before. Here, the siblings are attending the Annual Screen Actors Guild Awards.

Sibling: Lady Gaga

That’s right! Lady Gaga has a sister and the girls look very much alike – minus the crazy outfits. Natali, like her older sister, has big ambitions. She is currenly an aspiring fashion designer.