The 35-year-old posted the photograph on image sharing website Instagram, reports eonline.com.
"Wiggin it to Walmart this morning(sic)," she captioned the photograph.
"This belly is so heavy! Not too much longer! twins, thank god for sweats," she added.
Zolciak, a mother of four, was wearing a black brasserie and sweatpants in the photograph.
--IANS (Posted on 02-10-2013)