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Kim Zolciak Flaunts Baby Bump Once More

"What an incredible miracle," she says of her twins, due next month.

By Megan Johnson Oct 21, 2013, 2:58 PM ET

How to Watch

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Kim Zolciak is growing bigger every day! The Don't Be Tardy star and mother-many-times-over is prepping for the arrival of twin babies. And from the looks of it, she's about to bust out of her sweats.

"My bump today! What an increidble miracle! I am feeling so blessed and grateful!" she wrote on Instagram, alongside a photo that shows the growth of her belly.

"Don't know if I'll ever get used to the fact that there are two babies in tummy I'm still in shock! Can't Wait to find out what we are having! We will meet our beautiful angels next month!"

Zolciak has admitted that as the months go by, it's getting harder and harder to be mobile.

I drop everything these days! I swear it's only because I can't bend over and pick it up!!! This baby bump is soooo BIG!!
â Kim ZolciakBiermann (@Kimzolciak) October 19, 2013

The twins will be Baby #5 and #6 for Zolciak, who has two sons, Kroy Jr. and Kash, with husband Kroy Biermann. She also has two daughters, Brielle and Ariana, who have been officially adopted by Kroy.