Reality TV star Kim Zolciak is a mom again after giving birth to a boy on Wednesday.

The Real Housewives of Atlanta star and her sports star husband Kroy Biermann welcomed son Kash Kade, a baby brother for their other child, Kroy Jr.

Announcing the happy news on Twitter.com on Wednesday, Zolciak wrote, "biermann71 and I are sooo excited to tell you baby Kash Kade arrived today!!! Baby and I are doing great!!!!"

Zolciak and Biermann met in 2010 and wed last November. She also has two daughters - Brielle, 15, and nine-year-old Ariana - from a previous relationship.