A police report was filed on Sunday alleging battery, but the Las Vegas police say the star has now been cleared of any crimes.
Crystal Williams, Arianna Davis and Noelle Rodriguez's attorney also said he believes more victims will come forward.
In her first response to the lawsuit, the star says she "would absolutely never criticize or terminate an employee because of their weight."
"I was treated with such disrespect by her," the filmmaker said.
The British star is now facing her third copyright lawsuit over the smash hit song.
The case claims that the singer pressured dancers to attend a live sex show and called attention to weight gain.
Police confirmed to Billboard that an individual reported that she was "struck by an item that was thrown from the stage.”
The Chicago rapper faces a maximum of 25 years in prison.
After nearly a decade of litigation, a judge has finally dismissed the "last case standing" in a pioneering legal campaign over music royalties for old songs.
Teresa La Dart has agreed to drop a case that Swift's lawyers blasted as "legally and factually baseless."
