The ladies of The Real Housewives of Orange Countyare back for Season 8, and old grudges are hard to live down. Vicki Guvalson celebrates the birth of her grandson, while Tamra Barney moves in with fiancee and business partner Eddie Judge. Meanwhile, Gretchen Rossi must juggle business dealings on her own when boyfriend Slade Smiley gets a new job. Heather Dubrow decides to throw an East Coast-style clambake at her home but refuses to invite Alexis Bellino. At the party, Vicki and Tamra run into each other for the first time since their blowout over Vicki's boyfriend, Brooks Ayers. Will they ruin all of the fun with their bickering?