Kim Zolciak, formerly of the reality show "The Real Housewives Of Atlanta," welcomed her fourth child, Kash, in August, and is already nearing her pre-baby weight.

In the latest issue of Life & Style magazine, Zolciak says, “I’ve lost 30 pounds. I’m only 5 to 8 pounds above my weight before I got pregnant.”

When asked how she lost the weight so quickly, she stated, “I never sit on the couch.”

“I think breast-feeding helped me lose some weight, and I was really busy as soon as I got home with Kash. I went straight into filming my spinoff show, ‘Don’t Be Tardy,’ and I’m sure that helped. I just never sat still!”

But Zolciak adds that she watches what she eats. “I don’t eat red meat or pork or much dairy, and I always eat in moderation.

"I’m a size 4 right now, and my goal is to get down to a size 2.

"I’m accepting that I’m going to have to hit the gym — my girls [Brielle, 15, and Arianna, 11] laugh and say there’s no chance, but I really think I’m going to have to.”

In September, Zolciak shocked fans when her daughters posted a picture of her two weeks after the birth of Kash.

In the picture, Zolciak, 34, showed off her already astonishingly trim arms and flat stomach.

"Seriously ... who looks like this after 2 weeks of having a baby?" her daughter, Brielle Biermann, wrote as a photo caption.

Zolciak is married to NFL star Kroy Biermann, 26. They met during filming of the third season of "The Real Housewives Of Atlanta," and the two wed in their Atlanta home last November. This is their second child together. Zolciak gave birth to Kroy Jagger in May 2011.

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