Kim Kardashian: I Lost 6 Pounds in 7 Days!

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Kim Kardashian attends Kim Kardashian 'True Reflection' Fragrance Launch Benefiting Dress For Success - Inside at The London West Hollywood on March 22, 2012 Michael Bezjian/WireImage.com

It’s totally true: Looking good really is the best revenge! Kim Kardashian is still dealing with a painful, messy divorce from Kris Humphries, but she’s been channeling it all into her work — and a killer revenge body, she reveals in the new Us Weekly, out now.

In just seven days, the 5-foot-2 reality star, 31, has shed 6 pounds!

“I’m on a mission,” Kardashian told Us at the March 22 Dress for Success charity event that doubled as a launch for her True Reflection fragrance in West Hollywood. “I figure, I’m single. Now is the best time to get in shape.”

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The QuickTrim spokeswoman (who trains with Gunnar Peterson) did it with major devotion, working out two times daily — early-morning treadmill runs and strength training or Pilates at night. Her workout buddy? Brother Rob!

Kim

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And her diet has changed, too, with gluten, sugar and dairy cut out for now. “No more sitting at home, eating too much!”

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For much more of our cover story on Kim’s hellish divorce battle with Humphries, 27 — “I’m so ready, emotionally, for this to be over,” she tells Us — pick up the new Us Weekly, on stands Friday.

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