The "You're So Pulled Together!" Dress
Color blocking may be all about highlighting the contrast between two colors, but we love how it can be used to complement your body. The ruched black waist of this sapphire dress acts like an illusionist's corset: The dark color makes your stomach look slender—without the pain of an actual so-tight-I-can-barely-breathe contraption.

$98, AnnTaylor.com

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