I also always thought she resembled a non-asian version of my sister (which she never agreed with). I tried to find a picture to show and compare but none did my comparison justice, so I will just leave it and say that I am right and she is wrong.
So in my portrayal of Princess Addie just to mix it up a bit I decided to do a sort of 'stained glass window' portrait. It reminded me that I don't really like drawing non-realism and colouring with markers. This is her when being sad and scared of everything like she was in the start of the book: