
Dresses made from a structured fabric conceal imperfections, while crisscross detailing visually cinches in your middle. "The shape of the dress has to be hourglass, coming in close to the body and then gently draping out," saysThe Biggest Loser stylist Liza Whitcraft. And if you're shy about doughy arms, keep 'em under wraps with a cropped, fitted cardigan.
A voluminous white tunic may sound like the antithesis to dressing thinner, but it can be surprisingly flattering. "Define your waist with a skinny belt," Verdi says. "And the farther you are from the floor, the skinnier you'll look, so wear platform heels." Remember to harness the power of slimming undergarments—they're the sneakiest look-trim trick of all.
Shoe-skimming superdark pants create a long, lean silhouette."If you're bottom-heavy, wear them with a white top,"Martin says.