Reality star Kim Zolciak showed off her thirty pound weight loss in the latest issue of Life & Style magazine.

Zolciak, 34, flaunted her post-pregnancy body in workout gear that consisted of a black tank top, blue leggings and black sneakers.

View the photos of Zolciak's weight loss here

The images have come out just four months after she gave birth to her fourth child, Kash. Kash is her second son with her husband, NFL player Kroy Biermann. Zolciak had given birth to their first son, Kroy, Jr. just fifteen months prior in May 2011. She also has two daughters from a previous relationship - Brielle, 15, and Arianna, 11.

"I've lost 30 pounds," the star told the entertainment weekly. "I'm only 5 to 8 pounds above my weight before I got pregnant."

Zolciak credits an active lifestyle in addition to breastfeeding for helping her shed the pounds.

"I never sit on the couch," she said. "I think breast-feeding helped me lose some weight, and I was really busy as soon as I got home with Kash."

The reality star said filming the second season of her spin-off reality show, 'Don't Be Tardy' also may have helped her shed some weight.

"I went straight into filming my spin-off show, Don't Be Tardy... [which returns to Bravo in the spring], and I'm sure that helped. I just never sat still!"

She opened up about her new eating habits, which inlcudes eating less meat and portion control.

"I don't eat red meat or pork or much dairy, and I always eat in moderation," she told Life & Style.

Zolciak admitted that she has yet to hit the gym, but has successfully achieved reaching only one size larger than her normal dress size. She intends to exercise to help reach her goal of her usual dress size.

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

Zolciak will no longer appear on "The Real Housewives of Atlanta." She made a dramatic exit in an episode last month.

In an interview, Zolciak said that she's "had it" and that she left the show because her cast mates were not her friends.

"I don't need this f--ing drama. And these b--ches are not my friends," Zolciak told Bravo.com. "I don't know any of these f--ing ladies anymore. One day they're one way, the next day they're another."

Zolciak told Bravo.com she is leaving the "Real Housewives" to begin filming her spinoff show, the second season of "Don't Be Tardy for the Wedding."