reality star was acting ` unruly ' and ` reeked of alcohol ' at the polo lounge .
she was asked to leave restaurant but became belligerent and locked herself in a bathroom .
after being taken to jail she was cited for trespass , resisting arrest , battery on a police officer and drunk in public .
mother-of-four staunchly defended her sobriety in rhobh finale this week .
rhobh cast mates brandi glanville , eileen davidson and lisa rinna shares reactions on twitter .