"Nick was throwing his arms around and Britt yelling back at him," a witness told the Daily Mail.
"They seemed to be having a heated discussion. The music was too loud to hear the conversation but they seemed to be in a deep discussion."
The photos show Nick with his arms raised while deep in conversation with Brittany.
But the 30-year-old Bachelor finalist reveals there's no animosity between her and Nick.
"Just because two people aren't meant to be together, doesn't mean there's any negativity. It was really nice to say hello and catch up," Brittany told the publication.