On Monday, Kim said in a video from her book club that was posted to the star's application, reports dailymail.co.uk.
"It's never been 24 ever in my life," Kim said in the clip.
Though it was Kim's first book club, sister Kourtney had trouble keeping on the topic of literature, explaining she was distracted by Kim's proportions.
"I can't take your hips seriously right now.
Then the star's friend Jen Atkin asked for her exact measurement.
"24", Kim revealed with a smile on her face.
Kim was dedicated to dropping the 31 kg she gained during her first two pregnancies and began the Atkins diet after son Saint's birth in December 2015.
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