Last night's installment of Celebrity Rehab delivered perhaps its most poignant moment since decided to convert the Pasadena Recovery Center into a melancholy-tinged version of its Surreal Life house. In a move we'll assume is generally unnecessary inside the walls of a rehabilitation facility, Dr. Drew and his troubled, semi-famous charges staged an intervention on behalf of Joanie Chyna in a desperate attempt to figure out why, exactly, she's on the show; as an avowed non-alcoholic or drug-abuser, Joanie's very presence was so bedeviling to her fellow addicts that such a drastic measure was required to puzzle through the mystery of her casting.

(Indeed, had one of the cameras panned to capture the reaction of a nearby producer watching a monitor, we're sure he would have shrugged and mouthed I dunno, I don't even remember inviting her here to the TV audience.) Despite the unorthodoxy of the situation, the intervention was a success; with the help of her unfailingly supportive peers, it was determined that reality-show recidivist Joanie is addicted to Celebreality itself, a revelation that will allow her to stay at the Center until Dr. Drew can help her kick her debilitating habit by slowly reducing her screentime to nothing.

• Celebrity Rehab [VH1.com]
• Previously: On 'Celebrity Rehab,' Dr. Drew Teaches Jeff Conaway's Girlfriend About Why He Claims To Have Severe Menstrual Cramps [Defamer]

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