It's Doppelganger week on Facebook and the premise is simple: Facebook users take part by changing their Facebook profile picture to whichever celebrity they think they most resemble.Â So who do you look like?Â Megan Fox? Tom Cruise? Meryl Streep? Charlie Sheen?Â If you need help figuring this out, there is a a Face Double application that will help you determine your celebrity lookalike.
However, before you switch your Facebook photo to your celebrity doppelganger, CNET warns that Doppelganger Week might violate Facebook's terms of service.
Doppelganger Week is Facebooks latest fad, coming on the heels of "bra coloer status updates".