06/05/2013 06:03 pm ET

Kim Zolciak Pregnant Again: 'Real Housewife' Expecting Another Baby 9 Months After Giving Birth

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

The 35-year-old is expecting her third child with husband Kroy Biermann just nine months after giving birth to the couple's second son, Kash, according to Us Weekly. Zolciak is also mom to 2-year-old KJ and has two daughters from previous relationships -- Ariana, 11, and Brielle, 16.

"Kim loves being pregnant," an insider tells Us Weekly of the mom-to-be, adding that she's hoping for a sister for Kash and KJ. "She really wants a little girl."

"Brielle and Ariana are older now, and Kroy wants a girl of his own," the source added.

And In Touch magazine has a photo of the reality star flaunting her baby bump in a bikini while on vacation May 27. “She’s been trying to keep it quiet," a source tells the mag. "She didn’t realize she’s showing as much as she is.”

Zolciak and Biermann, 27, married in 2011 and aired their wedding on her spinoff series, "Don't Be Tardy." Zolciak recently confessed that she wasn't done having babies, telling Us, "When people [used to tell me] they had four kids, I'd be like, 'Four kids! Whoa!' And now that's me. Who would've thought?"



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