Kim Kardashian 's tell-all appearance on the Call Her Daddy podcast had fans buzzing about how her face appeared so "frozen," and a top plastic surgeon exclusively told RadarOnline.com what could have resulted in that dramatic effect.

The reality star, 44, dished on topics including her ex-husband Kanye West , their children, and her famous siblings .

But Kardashian was hardly able to crack a smile, and her wrinkle-free face barely moved despite discussing such deeply personal topics . Article continues below advertisement

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"The ultra-smooth, 'porcelain' finish you're seeing is the hallmark of recent skin-quality work — think fractional laser or RF microneedling — augmented by event-day hydrator

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