How do you say how are princess in Portuguese?

There are a couple of ways to say "How are you, princess?" in Portuguese, depending on the level of formality and the context:

Formal:

* Como está, princesa? (This is the most formal way to address a princess.)

Informal:

* Como vai, princesa? (This is a more casual way to address a princess.)

* Tudo bem, princesa? (This is a very casual and friendly way to ask "How are you?" but it's best to use it with someone you know well.)

Note:

* It's important to be respectful when addressing a princess, even if you are using a more casual greeting.

* You can also use "Vossa Alteza" (Your Highness) as a more formal way to address a princess, but this is very formal and might be considered outdated.

* You can use "Sua Alteza" (Your Highness) for a more formal and modern way to address a princess.