Well, no one can say it's illegal or something. But - if I may - there is no need to go to the expense of £384 million palaces or other extraordinary measures like that. It's enough to start with these:
Here. And then something basic like:
Here. Of course, being of male persuasion, I can't advise on colors that will match the mustache and the nose, but I am sure that professional consulting could be obtained. And look at the prices, they are eminently reasonable. I freely confess to be completely lost where the hats are concerned, and I know that the monarch in question frequently uses them, but this too could be settled by an expert, I bet.
Then a bit of hormonal therapy and related arrangement, and voila! Queen of Turkey...