Ah, you should be proud too. I'm sure you'll find something. Either dark and glittery like the night sky or pale as the moon are the two options to go for, I think. A little crown and stellar or lunar accessories are optional. Do post pictures! Does Andrew already know what he'll be?

And may I be pedantic about German orthography? Just one t in "Zauberflöte". (But oe for ö is fine.)