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Amy Winehouse is a sex addict with a fetish for spanking, an ex-lover has claimed.

Johnny Headlock, who is the minder of rocker Pete Doherty, claims he enjoyed a "wild" romp with the troubled singer - who was recently hospitalised after overdosing on a cocktail of drugs - last year while she was dating ex-lover Alex Claire.

The 27-year-old tough guy, real name Jonathan Jeannevol, met Amy, 23, through their mutual music contacts, and claims he bedded her after she returned to London following a promotional trip to New York.

He told Britain's News of the World newspaper: "She was wild. She went for hours and couldn't get enough. We must have gone through about five or six positions, but she liked being on top the best.

"She made a lot of noise and loved being spanked on the a**e. It was really rock 'n' roll."

Johnny claims he offered Amy now married to 25-year-old Blake Fielder-Civil - cocaine before they had sex, but she didn't take the drug.

The minder continued to see the 'Rehab' singer for a short while after their night of passion, but it fizzled out after he discovered Amy was in a relationship with Alex.

However, the troubled star - who is believed to be in rehab at the moment - allegedly kept an unusual memento from her first night with Johnny.

He revealed: "That first night I was wearing Spider-Man underpants and she thought they were wicked. In fact, Amy took them and kept them as a souvenir."

Johnny believes Amy - who last week cancelled her entire European tour due to "exhaustion" - is being heavily-influenced in her drinking and drug-taking by husband Blake.

He said: "You can see Amy's besotted with him, she needs someone to treat her mean.

"It's sad what's happened to her, but drugs are everywhere she goes. I can see why she's got problems."