Britain's tabloids claim to have uncovered England's secret weapon in the Ashes series - a woman who kept Shane Warne up all night during the fourth Test.

Julia Reynolds has told The Sun and Daily Mirror newspapers she left Warne exhausted after an all night sex session the day before he was dismissed for a golden duck in the first innings of the Trent Bridge Test.

Australia lost the Test by three wickets as England took its decisive 2-1 series lead.

Reynolds says she met the Australian leg spinner at a players' function and he wooed her with his traditional method - raunchy text messages, even during a rain break in the Test.

She said after the five hours of passion, Warne was left "red-eyed and knackered" as he went out to bat the next day.

"I wasn't that surprised he was out for nought because when he left me he looked pretty exhausted," she told the Mirror.

"I guess you could say I've done my bit for England."

Reynolds, 36 in The Sun but 37 in the Mirror, said Warne had received a "rollicking" from captain Ricky Ponting after his duck.

"Ricky Ponting suspected he was out of sorts and asked Shane what he'd been up to," Reynolds said.

"Shane said he bluffed it but I'd arranged to be with him again that night and it was good sex again, though the night before had taken its toll.

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