trying to get my a*s in gear

I have 9 months till the wedding and so much left to do.
List of things done:
Church and officiant booked
Photography and videography booked
Wedding bands bought
Reception hall
Honeymoon (in the process of booking)
wedding dress bought

Things to do:
Book Band
Flowers
Limos
Invites
Find bridesmaid dresses

What am I missing?!
I think I might be on the verge of anxiety attack, don't know where to begin!! I admire august brides who have it all done!