Plot of The Real Housewives of Beverly Hills: 12x21

Not My Sister's Keeper

Garcelle celebrates her success with a big party and makes an even bigger purchase with some encouragement from Sutton and Crystal. Lisa’s refusal to accept Kathy’s apology leaves Kyle holding the bag for her sister. As the ladies are draped in diamonds at Kyle’s charity gala, stories swirl in the tabloids and Dorit wonders if there is a leak in their circle. Erika and Lisa continue to call out Kathy, leaving Kyle to question if any of her friends can truly be trusted.