Hmmmmm...I think the dress would look really pretty on you, but how sure are you of your size in Catherine Malandrino? All the stuff I've ever tried has been weirdly sized, but then that's all the CM that makes it to Loehmanns.
It looks to me like it might be pretty sheer. Notice how that V shape that goes up to the cleavage is less sheer than the rest of the dress? I'm thinking it would be difficult to wear a bra with the dress and you'd need just the right underwear to make sure it doesn't show, otherwise it might potentially create some problems. It's pretty for sure, but I'd be skeptical of the final sale aspect.