Report Fake Facebook Profile

To report any fake Facebook profile is very easy. Just go to that fake profile. Click on ''settings'' which is situated beside message button. Then click on ''report/block'' button.

See this image for understanding

then you will get a popup window like this picture. You can report here.

Select the option like pretending to me. Don't forget to tell your friends to report that ID.
For more info go here - Facebook help center