Kim Kardashian's overwhelming vanity is causing her to lie to her husband!

According to a new report, the 35-year-old has been visiting a plastic surgeon since giving birth to son Saint West on Dec. 5 — even though Kanye West told her not to!

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“Kim has undergone cool sculpting because she said that she needs to look super-hot for New Year’s,” a source shares, referring to a non-invasive fat-blasting procedure.

“[She] would totally get liposuction, but Kanye would lose it because he is very against that specific procedure for his wife," the insider tells Radar Online.

The 38-year-old rapper hasn't been a fan of plastic surgery since the death of his mother in 2007 during a routine breast augmentation. But Kim is determined to try anything to get thin.

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#TBT skinny dayz #imissu

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“The fact that Kim said that she has lost 17 pounds already is really alarming to the rest of her family because she is sending the wrong message to her fans,” the source says.

Scroll through the gallery below for a look at some of the craziest things the reality star has done for beauty!