Many celebrities you know and love have twins, and we bet you weren't aware of all of them. Check out this gallery!
Ashton Kutcher has a twin named Michael, who was diagnosed with cerebral palsy at a young age. Michael lives in the brothers' native Iowa with his son and wife, who is also expecting a baby this year.
Scarlett Johansson's twin brother Hunter, who is three minutes younger than her, appeared in the movie Manny and Lo alongside her. He also worked on President Barack Obama’s 2008 campaign.
Supermodel Gisele has a twin named Patricia who also has good genes. The Brazilian beauties also have four other sisters, Raquel, Graziela, Gabriela and Rafaela.
You oughta know ... that Alanis Morissette has a twin brother, Wade!
This one is just awesome. While Jon was starring in Napoleon Dynamite, his twin brother Dan was working in special effects on the movie.
Kiefer Sutherland has a twin sister, Rachel, who works as a post-production supervisor in Hollywood.