Ashton Kutcher's Alleged Mistress Reveals Details of One-Night Stand

By Tim Nudd

10/12/2011 at 10:10 AM EDT

A San Diego woman has given a play-by-play account of her alleged tryst with Ashton Kutcher on his sixth wedding anniversary last month.

Sara Leal, 22, a part-time model, tells Britain's Sun newspaper that she slept with Kutcher twice in the early morning hours of Sept. 24, following an all-night party in a room at the Hard Rock Hotel in San Diego.

"We had sex twice," Leal says. "Everything felt natural. We were having a good time. One thing led to another. He was good but it wasn't weird or perverted or creepy. I was attracted to him, and he was attracted to me."

She adds: "He had great endurance. We were up for a while. It was about two hours."

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Leal says the Two and a Half Men actor, 33, who is married to Demi Moore, 48, told her that he and Moore were separated.

He was also happy with his conquest, Leal claims. "The last thing I remember him saying was he did a good job," she says. "We woke up and I was wearing a robe. He opened it up and I was like, 'What are you doing?' He was like, 'Just checking. OK, I did good! You're really pretty.' "

But Leal now says she regrets sleeping with Kutcher. "I didn't plan on doing it – it just ended up happening," she says. "If I had known from the beginning that he was happily married, none of this would ever have happened."

Kutcher and Moore, who were spotted building a campfire at Cachuma Lake, near Santa Barbara, Calif., over the weekend, have not commented on the allegations.