Those days are clearly over, as the 32-year-old socialite, who was up reportedly to 210 pounds at her max, showed off her jaw-dropping form in a swimsuit selfie she posted to her Instagram account with the hashtag, #NoFilter.
Equally enthusiastic, understandably, was her baby daddy Kanye West, who re-tweeted the shot with the caption, "HEADING HOME NOW."
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As we previously reported, Kim's on track to get back to her regular weight (which is around 120 pounds) sooner than later with a mix of exercise, and strict adherence to the Atkins diet.
"Kim is committed to keeping the weight off -- she doesn't want to be the butt of jokes again," an insider said.