When you're paying for your wedding expenses, you might decide to use a credit card to enjoy some of the rewards. Before doing so, keep in mind that you should only charge what you can pay off immediately. It's not worth going into debt for just one day, no matter how special it is.
That said, if you know you can pay off what you owe (preferably within a month!), then charging the expenses on credit cards will be a neat way of earning back cash and other rewards. Here are some good options.