Jainmy Martinez makeover in O, The Oprah Magazine

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After: A Fitted Knit
Her new, improved figure is gorgeously evident in a cleverly draped faux-wraparound dress (Norma Kamali for Wal-Mart, $20). Knits, provided they're fairly substantial, have a nice way of gliding over and camouflaging less toned areas. "This dress hugs my waist, and that makes me look smaller," she says. Earrings, Paige Novick. Ring, Me&Ro. Shoes, Jimmy Choo.
Tip: Side gathers create a diagonal line that visually whittles the midsection.