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Vicki Gunvalson: I Vomited Before the 'RHOC' Reunion

"I was just so nervous," the OG from the OC says.

Vicki Gunvalson has had quite a season. And filming the Real Housewives of Orange County reunion was just as dramatic.

"Going into the reunion, I'm always a little nervous as is everybody else," Vicki tells OK! Magazine. So nervous, in fact, that she got sick to her stomach just before filming.

"The night before, I didn't sleep...Getting ready to get on set, I vomited three times—physically vomited—and I didn't even have any food in my stomach. I was just so nervous...about what was going to be happening the entire day."

PHOTOS: See Pictures of Vicki Gunvalson Through the Years

What had Vicki so worked up? Maybe the prospect of discussing her tumultuous relationship with Brooks, or her epic brawl with ex-BFF Lauri Waring had something to do with it.

Still, Vicki wasn't the only target during the special. Tamra Barney got into a fight with Gretchen Rossi when she revived cheating allegations, which Gretchen denies. And Heather Dubrow and Lydia McLaughlin duked it out over Heather's request about having a cover story for her magazine.

While Vicki doesn't reveal what made her nervous, one thing's for sure: the drama will continue when Part Two of the special airs Monday.

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