Amy Winehouse died from the 'shock' of alcohol withdrawal, says family

Trying to get sober might have killed Amy Winehouse.

The beehived diva, infamous for her drug and booze intake, went cold turkey on her heavy drinking in the month before her death - and family members think her decision was fatal.

"Abstinence gave her body such a fright, they thought it was eventually the cause of her death," a family friend told British newspaper The Sun.

Her father, Mitch, believed "the shock of giving up, after everything she had been through over a bad few years, was just too much for her to take," the friend said.

Doctors had advised the 27-year-old "Rehab" singer to cut back gradually on her boozing, according to The Sun. Toxicology reports are expected in a few weeks to confirm the cause of death for Winehouse.

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