These amazing invitations were designed and produced by the couple themselves!
Their Save The Dates were adorable, too. Here's the blog post about them:

This modernist save the date by Nick Brue is right up Jonnie's alley: modern and clean. I dig the wrap-around sticker.
Cute RSVP by Us& Them
I'm not a pink type of person, but I love the patterns in this set.
And now I have to go practice calligraphy.