Karrueche Tran & Chris Brown 'Fight,' 'Possessive' Breezy Tired of Girlfriend's Partying? Rihanna's Sexy Bikini PHOTO Entices Ex Beau Amid Cheating RUMORS

Since Chris Brown's release from jail, the "Fine China" crooner's been spending ample time with on-and-off again girlfriend, Karrueche Tran. But is he getting a little too possessive? Rumors suggest that the 25-year-old hip-hop star got extremely "angry" when Tran partied at Brandon Anthony's Socialite House earlier this week - without him. The couple then allegedly ended up arguing - but will they break-up for good?

A so-called "insider" reveals to HollywoodLife.com:

"Chris was annoyed that she was out. Chris really hasn't been enjoying the club scene as of late... Kae was in a good mood but spent a majority of the time responding to A LOT of his texts. She even stepped outside of the club to take a call ... but when she went back inside, she shut off her phone so she could really enjoy the rest of the night."

Tran and her pals were spotted at the Socialite Sundays event on June 23 (sans Breezy).

The couple didn't get into a huge, blow-out fight, but obviously Brown has some issues with control:

"It more so just seemed like he kept checking up on her, very obsessively," the source explains.

But Tran still managed to have a good time!

"Kae was drinking and dancing and having a great time. She and Christina Milian had a blast," the insider said. "They were at a table with bottle service."

christinamilian: "Out here supporting our boo @ejking21 ️ @karrueche."

Funny that Brown got so peeved - considering he was just caught "flirting" with ex-girlfriend Rihanna online! Wonder what Tran thinks about that?

Brown recently "liked" a photo of RiRi flaunting a sexy gold bikini on Instagram. MediaTakeOut.com even captured a screenshot of it.

Breezy quickly deleted the "like" after fans started freaking out - but why would he risk doing so! Oh, my... is a Chrianna reunion even possible? Stay tuned...