Life & Style / Promotional 1 / 12
Life & Style / Promotional 1 / 12

"Real Housewives of Atlanta" star Kim Zolciak is pregnant again!

Life & Style confirms that the reality TV star is expecting her second child with her husband, Kroy Biermann. "Kroy and I are so excited," Kim, 33, tells Life & Style. "To decide we wanted to get pregnant again and have it happen so quickly was such a blessing."

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Zolciak shows off her four-month baby bump during an exclusive photo shoot in this week's issue of Life & Style, on newsstands March 21, 2012.

"People are going to be shocked, because nobody knows," says Kim, who doesn't know the sex of the baby. But boy or girl, "I'm so excited that KJ will have a little buddy."

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Zolciak and Biermann welcomed their first child, son Kroy Jagger (KJ) Jr., last May, and were married in a lavish ceremony on Nov. 11, 2011. Biermann, 26, is an Atlanta Falcons defensive end. Zolciak has two daughters, Brielle, 15, and Ariana, 9, from a previous marriage.