Thanks for clarifying the stolen dress part, I'm not a native speaker, so I don't understand everything they say if I don't have the subtitles XD About the hairstyle, I think it was quite elaborated to be made by herself, but it's a possibility :)
i think about that.. and... what if she had a Fairy Godmother? and when he was killing the fairy godmother of cinderella, decided that perhaps the son maybe will be the -second chance- if regina dont do the curse? well I guess that would explain ....... Cora has a past exactly as cinderella, but because of Cora evilness she just do different: D
King Xavier tells her something along the lines of "Did you really expect a stolen gown and a pilfered mask to hide the fact that you are just a miller's daughter?" (I don't remember the exact words, but the meaning is the same).