Since I think you care* (and I want to preempt certain members from digging up some low-life plagiarized version) I'll help you:
http://www.myfonts.com/search/isadora/fonts/
I know it because I almost used it for my wedding invitations. But I ended up using ExPonto-MM instead (to which I actually added the Armenian glyphs necessary to set my spouse's name and mine, for use on the favors).

* http://typophile.com/node/99441

hhp

Thanks hrant!
*the moment I saw 'Adorable typeface' which is 'Free for personal use' I knew that it was a copy from original commercial version.