Ryan Culberson, who is married to Vicki's daughter Briana, shared an Instagram Story on Monday where he can he heard saying, "You ever get really good news and then find out your mother-in-law ruins it? Well, it happened to me today."
"Oh, yeah, we're having a girl," he added to a post captioned, "So thankful for @vickigunvalson."
In a follow-up video, Ryan said, "It ain't smart to piss off the one that knows everything -- and I know everything."
The outrage came after Vicki had shared a picture of Ryan and Briana shooting pink smoke into the air at their own gender reveal party. The since-deleted snap was captured and reposted by The Bravo Chicks.
TooFab has reached out to Vicki for comment.
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The couple, who married in 2011, also share sons Troy, 8, Owen, 7 and Hank, 9-months.
In August, Ryan announced they were pregnant with their fourth child and expecting their "grand finale" to arrive in March 2022.
Vicki shares Briana and son Michael with ex-husband Michael J. Wolfsmith, whom she divorced in 1991. She would go on to marry Donn Gunvalson in 1994, but they split in 2014. She's currently engaged to Steve Lodge.