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Carl Radke had a nasty spat with a mystery woman at a bar in New York over the weekend, Page Six is exclusively told.

Eyewitnesses spotted the “Summer House” cast member at Tom and Jerry’s Bar in NoHo on Saturday getting into an argument with a woman who appeared to be his date, though he tried to be discreet.

“He went to a back corner with her privately and then behind the corner she was yelling at him and said, ‘F–k you,'” our spy told us.

The unnamed woman, who had dark hair and was petite, continued to scream at him until he left.

“The girl yelled at him and then he sprinted out of the bar,” we’re told.

A separate source told Page Six that Radke was with a group of friends and the mystery woman was actually a fan who was lingering and that there was no romance between the two.

Radke dated Paige DeSorbo in the third series of the reality show, though she’s moved on with a new man, businessman Perry Rahbar.

“I’m not jealous at all,” Radke, 34, told Page Six at the Pink Agenda Gala in New York in the fall. “I’m honestly happy for her. She’s awesome. Perry is actually really, really cool. I totally approve.”

Radke was also seen hooking up with Lindsay Hubbard in the trailer for the upcoming fourth season of “Summer House.”

A rep for Radke didn’t return Page Six’s request for comment.