Kim Zolciak

Real Housewives of Atlanta star Kim Zolciak is pregnant.

The baby will be the first child for Zolciak and her boyfriend, Atlanta Falcons defensive end Kroy Biermann.

"I was surprised!" Zolciak, 32, tells Life & Style. "While it wasn't planned, God clearly has a bigger and better plan for us and we're excited."

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Zolciak, who is three months along, has two daughters, Brielle, 13, and Ariana, 9, from a previous marriage. She has been dating Biermann, 25, since May, but has no plans to marry him during her pregnancy.

"I definitely don't want to get married while I'm pregnant," she says. "But I can see myself marrying Kroy in the future."