A princess? A title, he guesses. He's not very brushed up on titles, or the hierarchies they belong to outside of the ones more commonly held by nobles. But it seems this is someone important. Donnie's not all that great about reading people, but there's just something in the way Link says her name that makes it seem that way.

Zelda's expression is almost contradictory, but she seems happy despite looking like she's about to cry. "Did something happen?" he asks, head tilting as he tries to puzzle out whatever might have been happening in this picture.