AceShowbiz - Twins, by medical definition, are two offspring produced by the same pregnancy. However, for many decades and across the globe, there have been numerous cases where two people or more look so much like one another despite having no blood relation.

While it's not something unusual anymore, such occurrences become more special when one of the distant "twins" are well-known public figures. With the mix of their uncanny resemblance to the stars and the power of social media, these lookalikes have made their own name and some even made money off it.

For you not to be confused the next time you come across them on social media or in public places, here are some of celebrities' doppelgangers who have gone viral.