A Denver DJ allegedly groped Taylor Swift's butt, and now she's getting sued.

DJ David Mueller was fired after being accused of grabbing her butt at a meet-and-greet in June 2013. The radio personality (who was known as Jackson on the air until he was canned) has denied the accusation, and now he's suing Swift and squad for slander.

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Where not to touch without consent.

New papers were filed in a federal court in Colorado, in which Mueller says that the squad "orally published and/or caused to be published to third parties multiple statements that Plaintiff Mueller lifted Taylor Swift‘s skirt and grabbed her bottom during a photo session, or statements in substantially similar words.” The complaint also states that the statements "were false at the time they were made."

Sources: h/t The Wrap