The words prom dress once conjured images of shimmering taffeta and poofy ... high-school dance floors are more refined, filled with slinky satin, garden-party florals, and corseted bodices ...

Chris Martin and Gwyneth Paltrow’s daughter, 20, stepped out at an event for Hourglass Cosmetics looking like a model.

Duchess Sophie’s slinky black dress styled with a fluffy ... slinky feel that worked so well for an evening event. Sadly, it wasn’t clear from the pictures what the rest of Duchess Sophie ...