Watch: Vicki Gunvalson Gushes Over Daughter Briana Culberson's Dramatic Weight Loss

Vicki Gunvalson is one proud mama! The Real Housewives of Orange County star could not stop gushing about her daughter Briana Culberson's dramatic weight loss at OK! Magazine's New York Fashion Week party on Tuesday, September 10. "I'm so proud of her," the Coto Insurance owner said about her youngest child.

The "OG of the OC" also chatted about why fans are so supportive of Briana, 32, and her husband Ryan's relationship and shared tips on how the married couple have been able to lose a combined 112 pounds on the trendy Keto diet.