Karrueche Tran may not reconcile with Chris Brown after seeing on-and-off boyfriend grinding with Amber Rose over the weekend.

Rose, who previously dated Kanye West and Wiz Khalifa, was seen twerking on Brown to Juvenile hit "Back That Azz Up" at Supperclub in Los Angeles on Dec. 19. According to Hollywood Life, Tran is "disgusted" by the pair's recent behavior and has lost a lot of respect for the short-haired blonde model.

"Karrueche thinks less of Amber and thinks she's way out of line for grinding on her dude like that," a source said. "You'd never catch Kae flirting with Wiz or anyone Amber's slept with. Kae is a real classy woman, unfortunately, she can't say the same for others."

An insider also insisted that Tran is not going to be affected by the "New Flame" singer's flirtatious encounter with Rose: "Karrueche sees Chris out and about, partying around town, and getting close to Amber Rose. She sees it, but this time, she's not letting his childish games manipulate her. She's not saying she doesn't love him or that she doesn't want to be with him, but she just isn't falling for his games."

However, if Brown happens to fall for Rose, then Tran will seemingly be done with him for good.

"As far as Amber is concerned, Karrueche isn't mad at her. If Amber's that thirsty and wants to sleep with Chris, she can go ahead, he's all hers," the insider said. "But if Chris falls for Amber, Karrueche will be done with him. She'll be completely done and will never speak to him again!"

In addition, Karrueche Tran has something to worry about when it comes to Rose, according to another source.

"It ain't the dudes that need to be worried about Amber -- it's their females. That includes Karrueche, too," another source said.

"Amber knows how to get what she wants, even when it comes to men," the source said. "She's the type of woman that will let a guy cry on her shoulders. She'll rub his head and make him feel good, and then all of a sudden, they're sleeping together."