Mischa Barton is hospitalized for mental evaluation after neighbors saw her hanging over her fence, 'screaming about the end of the world, Ziggy Stardust and her mom being a witch' 

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Mischa Barton was hospitalized after being found screaming on her backyard fence wearing just a shirt and tie, TMZ reported. 

The OC actress was voluntarily taken to the hospital for a mental health evaluation after the incident Thursday morning, law enforcement sources told the website.

Neighbors found the 31-year-old on top of her backyard fence in West Hollywood screaming that her mother was a witch.

She was also rambling about the 'world shattering', and Ziggy Stardust - which is one of her dog's names.

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Mischa Barton (pictured) was taken to hospital for mental evaluation after neighbors found her 'screaming about end of the world and her mom being a witch' on Thursday, TMZ reported

The OC actress was voluntarily taken to the hospital for a mental health evaluation after the incident Thursday morning, law enforcement sources told the website

Neighbors found the 31-year-old on top of her backyard fence in West Hollywood screaming that her mother was a witch

Barton was wearing just a dress shirt and tie at the time. 

Police and firefighters were called to the scene after being alerted about a jumper or possible overdose. 

Not long afterwards the Brit, who turned 31 just two days ago, tweeted: 'Thank you all for all the birthday messages Xoxo'. The tweet seemed to have been deleted as of Thursday evening.

It is not the first mental health episode Barton has been involved in.

Police and firefighters were called to the scene after being alerted about a jumper or possible overdose. Barton was then taken to the hospital

Not long after the incident the Brit, who turned 31 just two days ago, tweeted: 'Thank you all for all the birthday messages Xoxo'. The tweet seemed to have been deleted in the evening

Trouble: Police and firefighters were called to the scene after being alerted about a jumper or possible overdose. Barton is pictured earlier this month

In July 2009, after seeking medical attention for a tooth infection, the actress was sectioned for two weeks under a '5150', a Californian law that allows a psychiatrist to involuntarily confine a person deemed to have a mental disorder that makes them a danger to themselves and others.

She said at the time: 'If they feel you are depressed or a danger to yourself they can hold you on a 5150. I am terrified of needles and they wanted to pump me full of drugs and I said, "No, absolutely not. I don't want to be here," and got into a fight with the nurses, and that led to my 5150.'

It is not the first time Barton has blasted her mother Nuala either.

She famously sued her 2015, accusing her of defrauding her by stealing her money. 

Not so happy birthday: Not long afterwards the Brit, who turned 31 just two days ago, tweeted: 'Thank you all for all the birthday messages Xoxo'

Last year she accused her mom of purposely holding up the sale of the $7million Beverly Hills mansion they co-own.

The 7,600-square-foot Tuscan-style villa, which boasts views of Catalina Island, was one of the focal points of the suit - with the actress claiming her mom gave herself co-ownership of the property without her knowledge or permission.

She accused Nuala of taking out massive loans against the house behind her back - and turning the home into her 'personal ATM'.

Barton even claimed she was then kicked out of the home by her parents who wouldn’t let her back on the property.

That case was dismissed back in February with the terms of the agreement stating Nuala would sell the home.

Estranged: It is not the first time Barton has blasted her mother Nuala either. She famously sued her in 2015, accusing her of defrauding her by stealing her money

Nuala had been her daughter's manager for years until the actress accused her mom of being a 'greedy stage mother posing as a talent manager'.

Barton's lawsuit included claims that Nuala had lied about her salary for a film and didn’t pay her the full amount.

She also accused her mom of opening up a Mischa Barton fashion boutique in London and used the Sixth Sense actress’s name to hawk a handbag line - yet Barton claimed she never saw a cent.

Nuala called her daughter's allegations 'nonsense' and the case was dismissed in February last year.

Both mother and daughter have had financial problems for years - so the impending sale of the home should bring much-needed relief to them both.

Blocked: Last year she accused her mom of purposely holding up the sale of the $7million Beverly Hills mansion they co-own

Disputed: The 7,600-square-foot Tuscan-style villa, which boasts views of Catalina Island, was one of the focal points of the suit

In her bankruptcy papers, filed in February, Nuala said her assets totaled $3,747,500 but her liabilities totaled $5,583,412.

She said her average monthly income totaled only $1,600 but her expenses were $27,618 - leaving her in the red over $26,000 every month.

The biggest asset listed in her bankruptcy petition was the Bowmont Drive property.

She said the current value of her portion was $3,747,500 with the total value being $7,495,000.

The petition stated her liabilities as $4,264,567 on the mansion, including an unknown amount owed to Barton.

Nuala spends $10,500 a month on the Beverly Hills home along with $12,200 in additional mortgage payments, $3,635 in real estate taxes and $600 in food & housekeeping supplies, according to the papers.

Last year, the actress – who has been trying to sell off the home for 6 years - listed it for sale at the price of $7.495 million.

Barton also listed it back in 2010 for $8.6 million and even tried to rent it out for $35,000 a month but nobody bit.

London-born Barton moved to the United States when she was five and began acting at age eight, appearing in hit movies Sixth Sense and Notting Hill before rocketing to fame in teen drama The OC.

However her glittering career came crashing down as her partying began to get out of control.

She was arrested for DUI in 2007, then two years later - following an intervention by her parents - she had a nervous breakdown and was held in psychiatric care after threatening to kill herself.

Mis-step: Barton (pictured earlier this month) attempted a comeback on the most recent Dancing With The Stars - but was booted off after just three episodes

In 2009 her house went into foreclosure after it was revealed she had failed to pay her mortgage for five months.

The same month she was sued by producers of the movie Promoted, who claimed they paid her an advance but she never turned up for work.

Barton was then sued by her landlord over unpaid rent on her $7,000 a month NYC apartment in 2010 before suing her own mother five years later for 'theft' and 'breach of contract'.

Her legal troubles are believed to have left her homeless and broke.

She attempted a comeback on the most recent Dancing With The Stars - but was booted off after just three episodes.