The long-running feud between Vicki Gunvalson and Lauri Peterson hit a crescendo on Monday's edition of The Real Housewives of Orange County, as viewers learned why Lauri's had it out for Vicki in her second go-round on the show.

This week's episode picked up where last week's left off, with the ladies enjoying a Canadian ski retreat in Vancouver, B.C., as the privileged women sat down for dinner.

Vicki explained, in an off-camera confessional, that years ago, she r