Pick your side after last night's epic brawl on the slopes.

on Jul 9, 2013 - The Dish

It may have started out as a peaceful retreat of cocktails and cute uncles at Canada's Whistler resort, but things got ugly on last night's episode of The Real Housewives of Orange County when Vicki Gunvalson confronted Lauri Waring Peterson about those threesome rumors.

"What she is doing, that's filthy," Vicki said after Tamra Barney revealed that Lauri was spreading rumors. (Lauri alleges Vicki shared a bed with two other people during a business trip.) "I will defend who I am every day of the year."

And that she did, confronting Lauri on the slopes and telling her there was no such threesome. "We were lying there fully clothed watching a movie!" she screamed.

For her part, Lauri says she never flat-out claimed Vicki had a threesome, yet insinuated something was going on.

So while it's still unclear what exactly went down, we want to hear from you: do you believe Lauri or Vicki? Vote in our poll below!