Is Chris Brown's Girlfriend Karrueche Tran "Pissed" Over Rihanna VMAs Kiss?

WENN

Hell hath no fury like a woman scorned.

Fans were not the only ones whose mouths hit the ground when they saw ex-loves Rihanna and Chris Brown smooch on the lips and embrace one another during MTV Video Music Awards on Thursday in Los Angeles, because Browns girlfriend Karrueche Tran is the last one to be amused.

The 24-year-old model is apparently, totally pissed off with her 23-year-old boyfriend of almost a year stemming from his very public display of affection that followed Rihannas win for Video of the Year for We Found Love.

"She felt the kiss was a public slap in the face," a source tells Us Weekly, including that the Turn Up the Music singer made the decision to attend the awards show at last minute, without telling his girlfriend.

It has been reported that Brown, 23, and Rihanna, 24, have been hooking up on the down low while hes been in a relationship with Tran.

"[Karrueche] and Rihanna really hate one another and Chris ultimately just does what he wants," the source told the magazine. "Seeing him with Rihanna at such a public event made her very angry."

Late Thursday night, Tran who has verbally sparred with Browns ex via Twitter in the past shared a photo on Instagram that read, Treat Your Girl Right.

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