My advice would be against strapless gowns because of the comfort factor. Will you be wanting to “tug” on your gown to keep it up the whole time? Very unattractive. Also keep in mind that everyone will be hugging you. There will be many who feel uncomfortable about hugging you with a bare back and shoulders. And there may be some others who enjoy it a little too much, if you know what I mean.

I dont’ have a problem with strapless as long as they are modest, you know without too much cleavage? There are alot of strapless styles that go straight across and do not even show clevage and many
long sleeve gowns that are cut low.
On my wedding day, my gown was beautiful, but being in April I had long, intricately detailed, sleeves (I could never have gone strapless anyway because of my chest size, It would have looked very tacky on me! and I didnt’ realize until half way through my wedding day that my sleeves were rubbing my arms at the same place on both arms. It was very uncomfortable. I had no choice but to grin and bear it. I can’t imagine my whole wedding day being about worrying whether my dress were falling down or too much was hanging out because of a strapless gown. Make sure your dress is not only beautiful, but that you will be able to wear it without worrying about some feature (uncomfortable sleeves, or falling down dress etc.) Trust me, you will be glad you have a pain free, stress free dress. Alot of brides want to look “Hot” on their wedding day, but I find it much more tasteful to look like a classic beauty. Brides are always beautiful and the center of attention, no need to advertize what the groom will be enjoying on the honeymoon!
I can still remember my Uncle’s wedding (not in a Catholic Church because of the rebellion of my Aunt toward my Grandma who wanted them to be married in the church, but Aunt later converted) when I was 5. All I could do was stare at my new Aunt’s gargantuan massively pushed up breasts heaving out of her tight gown. That was my innocent 5 yr old girl memory. Years later I heard family members discussing it when my youngest aunt was selecting her gown. It’s one thing for a tasteful amount of barely seen cleavage showing, especially if the girl can’t help it. I was in that category, it’s another for it to be the main attraction of the dress. A smaller-chested woman looks fine in a well-fitted strapless gown. I would have looked like a bimbo.
If you choose a strapless gown, will you feel confident and comfortable? Will you be tugging it all day? Are you willing to have a bit of embarassment on your special day if it happens to slip down low? What if the priest is unhappy about it?
Will Grandpa Joe and Uncle Norm feel comfortable hugging you in a strapless gown? And is this possible embarassment important to you? Or is it not an issue for you? Only you can decide that
At the end of the day it is your wedding dress and your choice!
Have fun, relax and enjoy your wedding day the planning, and the wonderful people around you who want to help!

Before you go shopping ask about church regulations.