McGregor and Kelly - real name Colson Baker - had to be separated on the after a physical altercation at the MTV Video Music Awards on Sunday.
A damning video shows the UFC superstar throwing his drink in the direction of Kelly and his girlfriend Megan Fox.
Conor McGregor throws a drink at MGK on the red carpet (via ig:laurademytrk) pic.twitter.com/H0naCNbMta- Barstool Sports (@barstoolsports) September 13, 2021
But the UFC president has brushed off McGregor's altercation with Kelly, revealing that he has spoken to both parties involved.
He said: "I talked to both. actually.
"They're all good now. (It was) A misunderstanding, or whatever it was."
McGregor's bust-up with Kelly is yet another high-profile incident occurring outside of the famed Octagon.
Though White isn't concerned with the Irishman's behaviour.
"Guys, this is the fight business," he added. "I got 700 lunatics under contract here. What do you guys think - these are the things that happen sometimes.
"This isn't Microsoft. We're in a crazy f**kin' business here."
He added: "I think we all know Conor's personality, and we've got some guys that were like that. These guys are fighters, and this is the fight business. Crazy sh*t happens in the fight business.
"There's all the sh*t that you guys know about because it happens in public.
"Nevermind the sh*t you don't know about that happens every day."
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