 And even for the bridesmaids and the groomsmen, they're expecting to spend about $1,100 that they're participating on. So that's a lot of money. Robin Growley, head of the bank's consumer deposit products, says you can always say no, and some do. One in two, almost 56% of those invited guests, that they would decline a wedding invitation from a close friend or a family member if they couldn't afford it.