CELEBRITY
02/29/2012 01:02 pm ET Updated Mar 01, 2012

Tatum O'Neal Is Back In Rehab (UPDATED)

UPDATE:

Gossip Cop is reporting Tatum O'Neal is in rehab, but not due to a cocaine relapse.

A lawyer for O'Neal told the site she ”had back surgery and went to a treatment facility to supervise her use of painkillers prescribed by her doctor until she no longer needs any pain medication.”

For more, head over to Gossip Cop.

PREVIOUSLY:

Actress Tatum O'Neal is once again back in rehab.

According to RadarOnline, the 48-year-old voluntarily checked herelf into a rehab center after using cocaine last month.

"Tatum made the decision to voluntarily check into rehab after having a relapse about a month ago when she began using cocaine again," a source close to O'Neal told the website.

While she made the decision to get help, the source is concerned that the Oscar-winning actress chose a clinic that doesn't follow the traditional 12-step AA model -- something the source believes is crucial to her recovery.

"Tatum is doing really, really bad at the facility she is at," said the source. "Tatum is essentially in denial about how bad her addiction is."

The former child star has struggled with addiction issues for most of her adult life, but so has most of her family. O'Neal's 27-year-old half-brother, Redmond, is currently in rehab where he's being treated for heroin addiction.

In August he was arrested on felony possession of heroin and firearms and sentenced to one year in a Los Angeles rehab center. Redmond was hauled back into court in September after he tested positive for drugs while inside the treatment facility and sent back to jail until sentencing the following month, where the judge took pity on him and remanded him back to rehab.

Tatum's other brother, Griffin, also has a long history with drug addiction. The 47-year-old was sentenced earlier this month to 16 months in prison for his involvement in a drug-fueled, head-on car crash in August that left another driver injured.

The jail time is just par for the course in a long line of legal troubles. He was arrested for allegedly terrorizing an ex-girlfriend in 1992, racked up DUIs in 1989 and 2007, and was placed on 18 months' probation in 1987 following a boating accident that killed Francis Ford Coppola's son Gian Carlo.

And of course, Tatum's father, actor Ryan O'Neal, has also publicly struggled with drug addiction and admitted to being a "hopeless father." In 2009 he even confessed to Vanity Fair that he accidentally hit on his daughter at his longtime partner Farrah Fawcett's funeral.

Before Tatum returned to rehab it was announced that her second memoir, "Found," was scheduled to be released in June and will coincide with the airing of "Ryan and Tatum: The O'Neals," a reality show on OWN about Tatum and her father.

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