I'm a sucker for stuff that looks good from the back. Case in point, my wedding dress. A wee bit plain from the front with a pretty serious plunge in the back. It's not exactly the most practical of yearnings for me, since I need a bra, but I can lust just the same.
As we the days get longer, I start to yearn for warm nights to be a bit less covered up. Here are some pretty options with a nice rear view: