The woman is Juliana Carlos -- an Instagram model who attended the game with her husband, ChrisCarlos.
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The couple was sitting courtside -- when the woman claims her husband got into a heated verbal argument with LeBron (which Bron confirmed after the game).
Juliana decided to get involved ... and began screaming, cussing and flipping off James from her insanely expensive seats causing a huge scene!
Worth noting ... the woman was initially wearing a COVID mask, but removed it to yell at LeBron.
In fact, the scene got so wild the refs stopped the game and the woman -- along with her husband and 2 others -- were all ejected from the building.
While she was getting the boot, Juliana flipped on her IG Live and gave her side of the story ... complete with threats and LOTS of F-bombs!!
Julianaacarlos / Instagram
"So, I'm minding my own business, and Chris has been a Hawks fan forever," Juliana explained ... "He has this issue with LeBron. I don't have an issue with LeBron. I don't give a f**k about LeBron."
"Anyway, I'm minding my own business, drinking, having fun. All of the sudden, LeBron says something to my husband, and I see this and I stand up. And, I go, 'Don't f***ing talk to my husband.' And, he looks at me and he goes, 'Sit the f**k down, b*tch.'"
"And I go, 'Don't f**king call me a b*tch. You sit the f**k down. Get the f**k out of here. Don't f**king talk to my husband like that.'"
She was FIRED UP!!!!
After the game -- which the Lakers won 107 to 99 -- Bron was asked about the incident.
"At the end of the day, I'm happy fans are back in the building," Bron said with a straight face ... "I miss that interaction. I need that interaction."