While summer is height of wedding season, the hottest wedding date this year is in December. Apparently, couples want to tie the knot Dec. 13, which is 12/13/14. So far, more than 20,000 couples have already signed up to marry on 12/13/14. That compares to 7,200 pairs wed the same weekend last year. Experts say that if you think you want to get hitched on this December date, start planning now as facilities and services are booking up because of the uniqueness of the date. Check out all the details on this story here.