Actress Mackenzie Phillips who was arrested at LAX in August has pleaded guilty for possession of cocaine and heroin . She has been placed under drug diversion program since her arrest.  

Phillips is the daughter of John Phillips, who was a member of a pop group the Mamas and the Papas. Mackenzie has a long history of drug abuse. This also led to her Expulsion from "One Day at a Time" in 1982.