Mary-Kate and Ashley Olsen, Benji and Joel Madden, Cole and Dylan Sprouse and Tia and Tamera Mowry may be some of the most recognizable twins in Hollywood, but they aren't the only ones.
There are actually quite a few stars who you didn't know had a twin and here are 13 of them:
1. Scarlett Johansson
The actress has a twin brother named Hunter. He appeared alongside his sister in the 1996 film Manny & Lo, but left Hollywood to eventually pursue a career in politics.
2. Ashton Kutcher
Ashton and his brother, Michael, may not look alike but their bond is unbreakable. Earlier this year, the actor dedicated his Robert D. Ray Pillar of Character award to his twin, who was born with cerebral palsy.
The Fast and the Furious actor has a fraternal twin named Paul. Since Paul prefers to remain out of the limelight, Diesel has refrained from talking about him until recently.
4. Alanis Morissette
The singer has a twin brother, Wade, who is 12 minutes older than her. Her song No Pressure Over Cappuccino was written about him.
5. Giovanni Ribisi
You may recognize Ribisi for his role as Phoebe's brother in Friends, but in reality he has a twin sister named Marissa. She's also made a name for herself by acting in various TV shows and movies including The Brady Bunch Movie.
6. Linda Hamilton
The Terminator star has an identical twin sister, Leslie. She played Linda's on-screen sister in Terminator 2: Judgement Day, but that was where her acting career stopped. Leslie now works as a nurse.
The Napoleon Dynamite star has a twin brother, Dan, who also sought a career in the film industry. Dan is a digital animator and has worked on movies like Edge of Tomorrow and Guardians of the Galaxy Vol. 2.
8. Kiefer Sutherland
The 24 Hours actor's twin sister Rachel is also passionate about filmmaking and works as a post-production supervisor in Toronto, Canada.
9. Nicholas Brendon
Good luck trying to tell Buffy the Vampire Slayer's Nicholas Brendon apart from his twin brother Kelly. The latter also worked as an actor and even played Nicholas' double as Xander on one of the episodes of Buffy.
Wait, there's more!
10. Gisele Bundchen
The stunning supermodel has an equally gorgeous fraternal twin sister, Patricia. While Gisele is taking over runways around the world, Patricia has maintained a low profile as her sister's manager.
11. Aaron Carter
The younger brother of Backstreet Boys' Nick Carter, has a twin sister named Angel. Along with their family, the pair starred in the reality show House of Carter.
12. Barbara Bush
Many people aren't aware that former U.S. President George W. Bush's daughters, Barbara and Jenna, are fraternal twins. During their time at the White House, they were often referred to as the First Twins by various media outlets.
13. Elvis Presley
The fact that the King of Rock and Roll was a twin comes as a surprise to many. Unfortunately, his brother Jesse Garon, died at birth, something that haunted Elvis throughout his life.