I'm a bit late, but wanted to say how much I love this dress and the shoes on you - you look so fabulous in this Joy! You'll knock it right out of the park. In terms of clutches, I'm no expert, but am inclined to suggest something a bit different than the dress/shoes - maybe not red, but the gold idea sounds promising to me.
In the meantime, you're still looking for something to wear the day of the wedding? I know how stressful that can be. Sorry to hear the full-length navy dress shortening didn't work out the way you'd hoped, but I'm betting there's going to be something truly amazing out there that will work beautifully on you.
For now though, this dress you just bought and the new shoes are *FAB* for the rehearsal dinner. You look gorgeous in it, so don't worry about a thing! It's very glam.
Do you know that the MOTB is wearing yet on the actual day of the wedding? That might help a wee bit. Also - what colour(s) are the bridesmaids wearing?
I find all of this so much fun - and am very excited for you! You already have the rehearsal dinner dress totally wrapped up, it looks gorgeous - just get the straps taken up if need be, get a fab clutch and you're good to go. The only trouble is that it's going to be hard to top this dress for the actual wedding day.