What's your opinions on my possible outfits for BIG party?!?

i do like numerou uno, but what about this a href="http://www.asos.com/Asos/Asos-Satin-One-Shoulder-Pleat-Dress/Prod/pgeproduct.aspx?iid=420737&cid=5186&clr=Pink&sh=0" rel="nofollow"http://www.asos.com/Asos/Asos-Satin-One-…/a