What to Wear? Blissdom Cocktail Party

So! I'm going to the Blissdom cocktail party here in Nashville in a few hours and I need! Your! Help! Although I've narrowed it down to black or black/white, I can't decide what to wear- so let's put it to a vote...

Should I go for the classy LBD and Tarzhay statement necklace? (This is what I'm leaning toward.)

To read the rest of "What to Wear? Blissdom Cocktail Party", head over to Lindsay Ferrier's new column at The Stir by CafeMom.