The 33-year-old "The Real Housewives of Atlanta" star and the Atlanta Falcons defensive end have a 9 month-old son, KJ.
Zolciak tells Life & Style that she is now four months along with baby number two.
In the magazine, Zolciak says KJ was an "oops," but this pregnancy was "totally planned."
Zolciak and Biermann were married in Georgia on Nov. 11, 2011. Zolciak has two daughters, Brielle, 15, and Ariana, 9, from a previous marriage.
