Dear Tom & Molly,
I am about to click either "I'm coming!" or "I can't make it." ... I promise.
I can't wait to see you on the 18th of August! Congratulations to both of you.
My total party count (including me) is .
You can reach me at for personal correspondance.
I'm sorry to say that I won't be able to attend the greatest wedding reception of all time.
Warmest regards,
P.S. I might also want to add ...