Hi Katie~
My question to you is, it's your wedding, do you have to have alcohol at it? Why have it at all?!?!?
Also, try not to future trip. I know that's hard, but really just focus on one day at a time. Do you have a sponsor? Do you have a higher power? I would pray, pray, pray and talk to my sponsor.
If it was me, I wouldn't have alcohol at the wedding. It's too tempting especially in early sobriety. I know a women who has 38 years and to this day doesn't put herself in those types of situations.
I wish you the best and congratulations on your upcoming wedding