A woman who says she dated second gentleman Doug Emhoff in 2012 has come forward anonymously to allege that he once slapped her hard enough to make her “spin.”

The woman spoke to the Daily Mail and provided pictures and documentation showing that she and Emhoff traveled to France to attend the amfAR gala dinner at the Cannes Film Festival. She said he slapped her as they were trying to get a taxi back to their lodging late one night during the trip.

She had approached the valet, offering a $100 tip if they could skip the line and get a car soon. As she was talking to the valet, Emhoff allegedly walked up and slapped her across the face.

“As I’m talking to [the valet], Doug got out of the line, comes up, turns me around by my right shoulder. I’m completely caught off guard, I’m not bracing, I’m in four inch heels, wearing a full-length gown and it’s between 2-3 am,” she said. “He slaps me so hard I spin around, and I’m in utter shock.”

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“There had been no fight, no argument. It had been a completely fantastic event. I am so furious. The only thing I could think to do was slap him back. I slapped him on one side, and on the other cheek with the other hand,” she continued. “In that moment, his mask had dropped and I saw his dark side.”

As they were in the cab, she said she asked Emhoff why he slapped her and did not get a firm answer.

“I can’t believe he just slapped me. I think I said to him in the car, ‘What the hell is wrong with you? Why did you do that?’ And the only thing I could get out of him was he thought I was hitting on the valet,” she said.

She decided to tell her story of Emhoff after seeing him lauded in the media as a feminist.

“What’s frightening for a woman that’s been on the other end of it, is watching this completely fabricated persona being portrayed,” the woman told the Daily Mail. “He’s being held out to be the antithesis of who he actually is. And that is utterly shocking.”

Emhoff was first accused of slapping the woman by the woman’s friends, who spoke to the Daily Mail for a story published earlier this month.

She “went up to one of the valet guys, offered him 100 Euros or whatever, to get to the head of the line. She told me she put her hand on his shoulder. Doug apparently thought that she was flirting, and came over and slapped her in the face,” one friend told the Daily Mail.

Emhoff has denied hitting the woman in a statement through a spokesman.

“This report is untrue,” the spokesman told Semafor in a statement after the allegation first surfaced in public. “Any suggestion that he would or has ever hit a woman is false.”

Emhoff has previously admitted to having an affair while married to his first wife with their former nanny.