A: When a suit has enough structure that it looks shapely on a hanger, it's probably going to look great on you! Look for flirty details like peplums, ruffles and molded cups to give curves a boost; halter straps offset wider shoulders.
Spaghetti straps make shoulders look broader.
"I'm completely straight—no hips at all!"
"The peplum is really pretty and creates a waist, and I love the halter style," she says. "This is the perfect suit—so Marilyn Monroe!"
Red Carter, $180; EverythingButWater.com