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Kim Zolciak has confirmed that she gave birth to twins Kaia Rose and Kane Ren.

The former Real Housewives of Atlanta star posted notes on Instagram today and wrote, "We are officially the 'Biermann Bunch' now! ... The twins have arrived! We welcomed first a baby girl and second a handsome little boy! They are both healthy and Kroy and I are so thankful!!"

After that she revealed the meaning behind their names and added, "Girl: Kaia Rose (after 'psychic' Rose who is like a grandma to me and been a huge part of my life for 13 plus yrs) also the twins were born on Rose's birthday! ... Boy: Kane Ren (Ren after my OBGYN who has delivered 5 of the 6 kiddos, who has also been a big part of my life for 12 yrs and we simply adore him)."

Zolciak and hubby Kroy Biermann got married in November 2011, and they already have sons KJ, 2, and Kash, 12 months. Zolciak also has two daughters, Brielle, 16, and Ariana, 12, from previous relationships. They've worked her way up to Brangelina status!