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This is what we call waist management!

Kim Zolciak is that latest celebrity to join the waist cinching craze, joining fans like Kim and Khloe Kardashian and Amber Rose who can't get enough of the body shaper.

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The former "Real Housewives Of Atlanta" star posted a mirror selfie on Instagram of herself with her teeny-tiny waist and she couldn't hold her excitement.

"Soooo you guys finally talked me into trying a waist trainer!" she posted. "I can't believe how tiny it makes my waist I'm obsessed with @nowaistclique waist trainer and it doesn't show through my clothes!"

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She was right, the cinching corset wasn't noticeable under her blouse and pants. One thing that was noticeable? The insane amount of cleavage she now has!

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Kim hasn't been shy about her chest recently, proudly admitting on Instagram that she has implants, or rather that her cleavage is "bought."

In a selfie of her upper body, Kim wrote, "I love cleavage #BoughtAndPaidForThankYou."