Kim Zolciak is about to lose it in the season finale of Don't Be Tardy in a wild sneak peek.

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On Friday, Hollywood Life posted a clip from the finale where The Real Housewives of Atlanta alumni lets out the F-word a few times as she plans a special dinner party for her husband, Kroy Biermann. It looks like it's going to be a surprise as she seems enthusiastic about the night.

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Zolciak chats with the chef and her friend when she decides to call her husband to see where he's at. He lets her know that he's driving. He asks her if she wants to have some lunch when she asks how much longer it'll take before he arrives to the house.

Unfortunately, he's on his way back and will be there in 10-15 minutes, leaving no time for Zolciak to finish getting ready for the big party. Zolciak starts to get worried and busts out her phone to give all the guests a heads-up.

"Oh my god, I'm like stressed out over here. I've got to get everybody in the house," the reality star says to herself. "I know I'm running behind! I didn't realize the f---ing time!"

A car is then seen at the gate and Zolciak is hoping that her husband won't get home and see them there.

The season finale of Don't Be Tardy airs on Sunday, September 21 at 9 p.m. ET on Bravo.