March 31st, 2012
11:14 AM ET
Kim Kardashian apparently isn't immune to the breakup-related shift in physique.
The celebutante and reality show star, who's going through a rough divorce with pro baller Kris Humphries, told Us Weekly she recently lost 6 pounds in just 7 days.
"I'm on a mission," she explained. "I figure, I'm single. Now is the best time to get in shape."
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