The 32-year-old "Keeping Up With The Kardashians" star has been rigorously working out to get in shape, reported Hollywood Life.
"Khloe's still on a serious weight loss mission, she's shrinking before everyone's eyes and she's not even close to done.
"When she started, she thought losing 40 pounds would be more than enough, but hitting her goal only made her want to lose more," a source said.
Khloe now aims at fitting into model sister Kendall Jenner's clothes.
"She's lost almost 50 pounds now and she's still working like crazy to lose more. Her goal is to fit into Kendall's clothes," the source added.
"She thinks that Khloe is a little too obsessed with her body right now. Sure, she looks great, but she doesn't want Khloe to go overboard.
"She really wants her to be safe in her quest for the perfect body. Work out, eat right and all that good stuff, but don't obsess over it. She wants her to be happy and healthy." the source concluded.
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