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Tara Reid has filed a police report after she says she was drugged in an Illinois hotel ... and, in it, she says she's willing to prosecute those allegedly involved.

The actress filed the report Tuesday, the Rosemont Public Safety Department announced in a press release ... and it features a lot of the same information Reid relayed to us in the immediate aftermath of the incident, according to Page Six . Play video content

As we told you ... Reid says she was at a hotel just outside of Chicago late Saturday night when she went down to the bar for a drink ... she says it was crowded with YouTubers.

After ordering a glass of wine, Reid says she went to smoke a cigarette with one of the influencers she met in the lobby ... and, when she came back, a napkin had p

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