Can't say I have ever seen a transgender or cross dressed "Bridezilla". There is a reality show which showcases the most hysterical bitchy, control freak brides they can find. The only interesting show to me that I missed was when one of the brides ran off one of her bridesmaids and "made" her brother "step" into the position.
Personally, I have met only one transsexual that I know of who went on to be married to a man or anyone who has been in a bridal party as a woman.
I do know though, many transgender women and cross dressers have a true fascination of being a bride. Some consider the process (along with pregnancy) as the pinnacles of the feminine experience. For all of you who do, I am passing along this video on the Cyrsti's Condo big screen: