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A former Miss Finland is the twelfth woman to publicly say that presidential nominee Donald Trump sexually assaulted her.

Ninni Laaksonen told Finnish newspaper Ilta-Sanomat that Donald Trump groped her before an appearance on The Late Show with David Letterman in 2006, according to a translation that appeared in U.K.’s The Telegraph.

“Trump stood right next to me and suddenly he squeezed my butt,” Laaksonen, now 30, told the newspaper. “He really grabbed my butt. I don’t think anybody saw it but I flinched and thought, ‘What is happening?’ ”

The beauty pageant winner says the assault happened when she was posing for pictures alongside Trump and Miss Puerto Rico, Miss Colombia and Miss Australia before an appearance on the talk show.

“Somebody told me there that Trump liked me because I looked like Melania when she was younger,” she said. “It left me disgusted.”

WATCH: Here’s Every Current Accusation of Sexual Misconduct Against Donald Trump

Trump has repeatedly denied previous sexual assault allegations. Laaksonen’s accusation comes on the heels of a video that was released by the Huffington Post on Friday showing Trump sexually shaming a former Miss Universe in front of a live audience.

At a speech he gave in Sydney in 2001, he said “Get even with people,” to an audience of thousands. “If they screw you, screw them back 10 times as hard. I really believe that.”

To prove his point, Trump called on former Miss Universe Jennifer Hawkins to come on to the stage.

“I thought that she dissed me,” he said of Hawkins. “I’m going around saying she’s my favorite Miss Universe, but I think I like the new one better, Jennifer. So I go around saying she’s the greatest … then when I came here, there was no Jennifer Hawkins to introduce me.”

Trump said he was upset by the fact that Hawkins would not introduce him, and while Hawkins tried to explain the perceived slight was actually a miscommunication, he cut her off.

“So what happens is ― and you know what? She came tonight, she came ― came, she came, she came,” said Trump, to which the audience responds with laughter.

“See, so they have the same filthy minds in Australia,” he said, to which Hawkins replied, “As you.”

She further tried to explain that it was a miscommunication with her management team, but Trumps responded by pulling her in for a kiss, and then dismissing her from the stage.