Kim Kardashian posted another sexy post-baby photo to her Instagram account  on Monday after her 2013 proposal made headlines. The "Keeping Up With the Kardashians" star wore a tight see-through dress, flaunting her svelte body after North West's birth. 

According to People, the 33-year-old new mom must has a "clear dress code for work: sleek and sexy."

The newly engaged starlet has everyone still talking about her whirlwind engagagement and revealing swimsuit selfie last month.  And now, Khloe and Kourtney Kardashian's sister is once again showing off her trim post-baby body, posting her photo while busy at a shoot. 

"Work day," posted Kanye West's fiance as the caption.

Kris Jenner's daugter had on a sheer, midriff-baring outfit that accentuated her ample curves. Viewers can't help by look at her super trim waist. 

It appears that Kardashian has been working hard at shedding the baby pounds. The reality TV star had recently told People that her pregnancy was "a lot tougher than people saw on my show or from magazines." To deal with all the weight gain, she has been on a strict Atkins-based diet and workout regimen.

And she's dropped 50 pounds due to her discipline and determination, reported the celebrity magazine.  

Kylie and Kendall Jenner's older sibling had battled criticism for gaining weight throughout her pregnancy. But she is cleary getting over it and proving her "haters" wrong. She has been showing off her new frame all over social media, even posing for many pictures in Paris recently.

The starlet gave birth to North just four months ago, and is looking incredible.

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