On her: Off-the-shoulder mermaid lace gown with layered tulle train by Emanuel Ungaro, $9,370 at Barneys New York.

On him:Wool-blend suit by Prada, $2,440; shield sunglasses by Emporio Armani, $150 at Solstice; button-down by Thomas Pink, $140.

The Setting: Plastic chairs by Louis Ghost, $335 each at MoMA Design Store.