It's been quite a day in the UFC world, and it's all stemmed from the UFC 205 press conference which took place last night.
Of course, the majority of the attention was on Conor McGregor and Eddie Alvarez, as they headline the pay-per-view tomorrow evening in New York City at Madison Square Garden.
The two champions will share the octagon for the first time, and it comes after they put on quite an eventful display during the press conference last night.
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It all started pretty feisty as Notorious rocked up 15 minutes late, before taking Alvarez's belt and placing it in front of himself, before basically saying he does what he wants because he runs the place.
That was just the start, however.
After Alvarez pushed a chair over in the direction of McGregor, he then got up and attempted to throw it back at the American, only to be stopped by Dana White.
After things calmed down and the two fighters took their seats, those in attendance finally got to ask some questions to the duo.
Fast forward several hours and the weigh-in took centre stage.
Both fighters made the correct weight, but once again, once McGregor was in the spotlight, things started to happen.
Somewhat ironically, when McGregor was in the spotlight, the lights actually went out.
As the Irishman stood on the scales and had his weight read out, the lights in the arena went out, much to the shock of the commentators and those in attendance.
You can see the footage below.
Following the weigh-in, McGregor took to Twitter to post about the events, and he summed up the occasion superbly with a simple five-word tweet.
He posted: "I put your lights out."