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(L-R) Megan Fox and Machine Gun Kelly attend the 2021 MTV Video Music Awards at Barclays Center on September 12, 2021 in the Brooklyn borough of New York City.Conor McGregor speaks onstage during the 2021 MTV Video Music Awards at Barclays Center on September 12, 2021 in the Brooklyn borough of New York City.

Machine Gun Kelly probably had the most eventful evening at last night’s 2021 MTV Video Music Awards — kicking it off with a reported red carpet skirmish with former UFC champ, Conor McGregor.

McGregor, 33 and MGK apparently almost got into a brawl, with a video of McGregor lunging and shouting at the rapper-turned-rocker. Security guards restrained him in the video, but the details of what set McGregor off weren’t clear; gossip website TMZ reported that McGregor asked MGK for a photo and was denied, and a tussle ensued — with Kelly pushing McGregor, who then supposedly retaliated by tossing a drink at Kelly and Fox.

However, McGregor told Entertainment Tonight that “absolutely nothing” happened, insisting, “I don’t know the guy. Nothing happened with me. I only fight real fighters, people that actually fight, you know what I mean? I certainly don’t fight little vanilla boy rappers. I don’t even know the guy. I don’t know anything about him, except that he’s with Megan Fox.”

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Regardless of what really went down, both stars eventually entered the Barclays Center to watch the awards show without further incident. McGregor presented the award for Artist of the Year to Justin Bieber, a category in which Kelly was nominated for.

At the end of the night, when Kelly and Blink-182’s Travis Barker closed the show with a guitar-smashing performance of “Papercuts,” Fox introduced the set alongside Barker’s girlfriend, Kourtney Kardashian, and gushed: “I’m a huge fan of this next performer. I’ve watched him grow, not just as an artist, but also as a person.” Kardashian cheekily added, “I’m a fan too — and I think his drummer’s super-hot!” Fox then declared, “New York, I need you to get extra-loud for our future baby-daddies, Machine Gun Kelly and Travis Barker!”

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