Did you know that these stars had a twin? Take a look at our list of celebrity twins and see if any surprise you...
1. Caroline Flack
Caroline Flack kicks off our list of celebrity twins as she has a twin sister called Jody. Whilst Caroline is making her way as a television presenter, her sister Jody is a mum.
2. Ashton Kutcher
Ashton Kutcher is a twin. His brother Michael was diagnosed with cerebral palsy at a young age and had a heart transplant in his teens.
3. Siva Kaneswaran
The Wanted’s Siva Kaneswaran has an identical twin brother called Kumar. The pair started off playing small roles in TV shows together, before Siva’s career took off with The Wanted.
4. Elvis Presley
Elvis Presley had an identical twin brother Jesse, who was sadly stillborn.
5. Olly Murs
Olly Murs has a twin brother called Ben, but the pair reportedly fell out when Olly missed his brother’s wedding to appear on The X Factor live shows.
6. Aaron Carter
Aaron Carter, who has a famous big brother (Nick from The Backstreet Boys) has a twin sister, Angel.
The Welsh singer, Duffy (aka Aimee-Ann Duffy) who had a hit with Mercy in 2008, has a twin sister called Katy.
8. Will Young
Will Young has a twin brother called Rupert. Whilst the singer shot to stardom, his brother admitted he suffered from depression in an interview with Press.
9. Scarlett Johansson
Scarlett Johansson has a twin brother called Hunter. He regularly accompanies his actress sister on the red carpet but Hunter remains low key. He’s reportedly into politics and worked on the 2008 presidential campaign for Obama.
10. Rosie Fortescue
Made in Chelsea star, Rosie Fortescue, has a twin sister called Lily. Lily has never appeared on the show, instead, she reportedly owns a lingerie store.
11. Mo Farah
Mo Farah is a twin. He and his brother Hassan were torn apart at the age of 8 when their parents made the heartbreaking decision to send Mo and a few of his other siblings to the UK from Somalia for a chance of a better life.
12. Giavanni Ribisi
The Ted and Friends star, Giavanni Ribisi, has a twin sister called Marissa.
Do you know any more celebrity twins?