In the most recent episode of "RHOBH," Lisa Rinna referred to Kathy Hilton as "the devil."
Rinna previously stated that Hilton had threatened to ruin her sister and her family.
The 63-year-old, according to her, called her cast members "idiots."
Sutton Stracke and Crystal Kung Minkoff were also allegedly called "pieces of sh*t" by Hilton.
Rinna claimed she and Garcelle Beauvais were the only ones spared the slurs.
Hilton expressed her regrets to Kyle Richards, her sister.
Rinna stated that she would not succumb to Hilton's antics.
Hilton claimed she had no idea Rinna was upset about the information she had shared with her.
She disparaged Rinna online.