THE STYLE Grecian Draping with Bust Detailing from the 2008 Oscars WHAT TO LOOK FOR You don't need to be an expectant mama to pull off this dress. The long, flowing cut looks stunning on tall ladies (or those faking it with stilettos). A LESS EXPENSIVE OPTION Feathered Dress, Faviana, $318; at edressme.com
At the Alvin Ailey Dance Theater’s benefit gala, Gabrielle Union showed up in a strapless styled Prada gown in a rich shade of emerald green. A diamond wreath at her neck and black T-strap heels completed her look.