AMY Winehouse has sensationally admitted her marriage to jailbird Blake Fielder-Civil is FINISHED.

The troubled Back To Black singer revealed her husband has left her for blonde German model Sophie Schandorff.

Video - You Know I'm No Good

Drug-tortured star Amy dramatically confessed: “It’s over. There’s no way back for us now. It was never going to last. We were only together for SEX.

“I fancied him like mad, like no one else I’ve ever known. But it’s not enough, is it?”

Amy stunned pals with her bitter acceptance that the 17-month marriage will end in divorce.

And she shocked them by revealing astonishing secrets of their wild sex life including LESBIAN ROMPS and sordid THREESOMES.

After the couple’s recent high profile problems, with Blake jailed for violence then freed into rehab, 25-year-old Amy poured out her heart to her closest friends.

One told us: “It’s a watershed for Amy. She’s been up and down for weeks but finally accepts the reality.