Kim Zolciak Biermann's son has recovered following reconstructive face surgery. The 42-year-old reality star revealed Wednesday on Instagram that her and husband Kroy Biermann's 8-year-old son, Kash, underwent surgery on his face in November.The operation was the result of a 2017 dog attack that left Kash with «very traumatic injuries.» The tot had previously undergone surgery shortly after the attack.