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Jeff Daly/Retna Ltd. 1 / 15

A cascade of congrats for Kash Kade!

"Real Housewives of Atlanta" star Kim Zolciak gave birth to her fourth child, a little boy named Kash Kade Bierman, on Wednesday.

"@biermann71 and I are sooo excited to tell you baby Kash Kade arrived today!!! Baby and I are doing great!!!! #soblessed," the "Don't Be Tardy for the Wedding" star, 34, tweeted.

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It's the second child for Zolciak and husband, Kroy Biermann, whose first son, KJ, was born just 14 months ago.

"I'm so happy to announce that today we ?@kimzolciak? and I welcomed our 2nd son Kash Kade, Mommy and baby are doing great!" Atlanta Falcons player Biermann, 26, wrote.

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Biermann is also devoted stepdad to Brielle, 15, and Ariana, 9, Zolciak's daughters from a previous relationship.

Big sister Brielle also tweeted excitedly about her newest sibling. "BABY KASH KADE IS FINALLY HERE!:)" the teen wrote.

Zolciak revealed her baby-to-be's gender back in May. "KJ will have a best friend for life!" she wrote.

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After meeting at an Atlanta fundraiser in fall 2010, Zolciak and Biermann tied the knot on November 11, 2011, in a ceremony taped for their Bravo spinoff "Don't Be Tardy for the Wedding."

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