I have been married for 25 years. For our vow renewal, I still had to save and plan out what I wanted. I went over what I wanted to spend, but fortunately, we had the extra money to spend. We paid everything for 6 people and then when we went to dinners we paid for 8 people. If we didn't have a budget, then we would have been in trouble.
What I am getting at is, set a budget and stick to it as much as you can. Put away money every pay period that is just for the wedding. Research this site as much as possible. YOu will get so many ideas on ways to save money and do it yourself.
I guess I got side tracked. I would try to save money before going into debt. You don't want to start your marriage in debt before you even get married.