With an emphasis on crisp pleating, sharp lines, and sculptural draping, architectural looks are all-important for 2011.

The shape may be classic, but the construction is completely au courant. Crisscross draping and pleated tiers star on this silk-dupioni fit-and-flare dropped-waist gown with a chapel train; $2,500, Piccione by Alfred Angelo. Necklace, Kate Spade, 800-519-3778. Ring, Anzie, 877-551-7257 (Saks Fifth Avenue).