[name_f]Zelda[/name_f] is sharp and distinctive - princessy-but-not-fussy. Not a personal favourite but I like it for others.
[name_f]Zelda[/name_f] [name_f]Seraphine[/name_f] is pretty.
Some other ideas:
[name_f]Zelda[/name_f] [name_f]Beatrice[/name_f]
[name_f]Zelda[/name_f] [name_f]Linnea[/name_f]
[name_f]Zelda[/name_f] [name_f]Marisol[/name_f]
[name_f]Zelda[/name_f] [name_f]Thisbe[/name_f]
[name_f]Zelda[/name_f] [name_f]Felicity[/name_f]
[name_f]Zelda[/name_f] [name_f]Celine[/name_f]
[name_f]Zelda[/name_f] [name_f]Mavis[/name_f]
[name_f]Zelda[/name_f] [name_f]Celestine[/name_f]
[name_f]Zelda[/name_f] [name_f]Imogen[/name_f]