Kathy Hilton is back! On this week's episode of "Housewives Nightcap," Kathy explained why she returned to “The Real Housewives of Beverly Hills” this season as a friend of. Kathy also shared an update on her relationship with sister Kyle Richards and gushed over how wonderful of a mother her daughter Paris Hilton is to her two babies. PLUS, Emily and Lauren spill on all the hot topics, including a breakdown of "It Ends With Us" drama.

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