According to KnightJJ's webcomic Place of Princes, it would involve a bit of crossdressing fun and a whole lot of singing.
Yudi Chen has a series of wonderfully stylized fairy tale illustrations with one important difference: the genders of all of the characters have been reversed. That means that the Beast must win the heart of Beau, the evil king demands the heart of his stepson Snow White, and Rapunzel has the most amazing beard you've…
We've seen plenty of clever and quirky artwork centered on Disney's stable of princesses, but what about their other halves? The Disney princes finally get their due, taking center stage on the covers of familiar magazines.