Machine Gun Kelly has once again stirred up controversy. The rapper was filmed getting into a fight with an audience member at a festival in Louisville, Kentucky, this weekend.

MGK, whose real name is Colson Baker, was performing at the Louder Than Life Festival on Saturday, September 25, when a man pushed him after he jumped off the stage, per Independent.

Not one to take a slight lightly, the 31-year-old retaliated by lunging and seeming to punch the man in the face — before he was pulled away by security.

Watch footage of the altercation below:

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During the same night, Kelly had been booed and given the middle finger by the crowd who questioned why he was performing at the festival — which is usually reserved for metal bands, per Page Six.

Kelly addressed the booing on social media, and disputed the press' version of events, writing: "I don’t know why the media lies in their narrative against me all the time but all I saw was 20,000 amazing fans at the festival singing every word and 20 angry ones."

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This comes after Kelly was embroiled in a feud with Slipknot last week after making fun of them on stage at Riot Fest.

Per NME, It all began when the heavy metal band's frontman, Corey Taylor, seemingly made a dig at Kelly in an interview with Rockcast — although he didn't reference the rapper by name.

"I hate all new rock for the most part," Taylor said during the conversation. "I [hate] the artists who failed in one genre and decided to go rock and I think he knows who he is. But that’s another story."

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At Riot Fest, Kelly appeared to slam the masked band, saying: "Hey, you wanna know what I’m really happy that I’m not doing? Being 50 years old wearing a f***ing weird mask on a fucking stage, talking s**t."

Taylor later denied Kelly's allegation that he had worked on one of his songs, but that it had been "f***ing terrible".

"I don’t like people airing private s**t like a child. So this is all I’ll say: I didn’t do the track because I don’t like when people try to ‘write’ for me. I said no to them. So without further ado.... #receipts. This is all I’m going to say about it," Taylor wrote on Twitter.

Feature image credit: Xavier Collin/Image Press Agency/Sipa USA / Alamy

Machine Gun Kelly punches fan in audience at Louder Than Life festival after getting booed