Luna has photoshopped legs???

f(x)'s Luna has been spotted to have photoshopped legs. Recently, A netizen shared a couple of photos of Luna revealing her legs. On a photo, a non-edited photo where Luna can be seen at a formal event, also with her outfit, her legs can be seen. Then a photo of her which was edited and used as promotional photo for f(x) was shared.

On the two photos you can clearly see the difference between Luna's leg's before and after editing. What do you think?