Shannon is loving the single life as Jenn preps for her wedding; Emily reveals a heartbreaking family issue; Tamra opens up about her past trauma in therapy; Heather deals with problems at her Beverly Hills mansion.

Katie extends an olive branch to the group; Tamra faces off with longtime foe Gretchen Rossi; Emily and Shane's parenting styles clash; Gina exposes a shocking allegation that leaves Shannon feeling completely betrayed.

Heather finds herself negotiating a birthday conundrum; Jenn and Katie support their kids as they move in and out; Shannon introduces her dating bench to Emily and Gina; Katie's apology attempt to Shannon is met with an explosive reaction.

Heather's birthday party wraps up just as Tamra arrives and her plus-one catches Gretchen and Slade off-guard.

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