Ashton Kutcher, Scarlett Johansson and more celebrities you never knew had twins

Chances are you wished you were a twin ever since the first time you heard Mary-Kate and Ashley Olsen team up on “Brother For Sale” or spied Tia and Tamera Mowry in matching hats. But while being a twin has formed some stars’ identities from the start, there are many who haven’t exactly shared the spotlight with their other halves.