Why are you posting this question again?
There are many more of the same posted.
Reposting the same questions over and over and over again is against rules of Answers. The answer remains the same:
While I think the tradition of the wife’s assuming the titles and styles the proper thing to do, I realize that it is Camilla’s choice to make.At the time of their engagement, when Camilla made this announcement, royal scholars pointed out that no such title existed, that Camilla was trying to placate the rabid Diana-fans by choosing to be called a princess consort.