Some celebrity twins from Mary-Kate and Ashley Olsen, to Tia and Tamera Mowry, grew up in the spotlight and made a name for themselves from a very young age.
Click on the photo below to find out which stars are twins.
Other celebrity twins may come as a suprise, and the two don't always share the limelight.
Which younger sibling is manager to her famous sister? And which fun-loving twin likes to pretend to fans that he's his good-looking brother?
Click on the photo above to find out.