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Lipstick-red dresses decorated the runway at the fall 2012 Monique Lhuillier fashion show, with crimson pouts to match—a conscious decision by the red-carpet favorite designer. “There’s a certain empowerment that comes from a woman when she feels good in her clothes and when she feels sexy,” Lhuillier told InStyle.com. “I really wanted to bring that out this season. Every woman needs a red dress in her wardrobe.” In addition to the designer’s Valentine’s Day-worthy looks, her collection featured sleek suiting, vampy red and black leather boots, lava prints, and all-over sequin designs. See our favorite looks in the gallery!

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— Violet Gaynor, with reporting by Grace Lee