Play up your siren side with sleek fabrics

Forget froufrou. Resplendent ruffles add organic opulence to this ivory satin-face organza gown. The halter design has a low-cut V-back and split, double-ruffled train, about $2,395, by Amy Michaelson.

Beauty note: Lavish the skin you're in with Victoria's Secret Beauty Breathless Body Lotion.