Karrueche Tran vs. Chris Brown 'Break-Up' Beef After Instagram Diss [WATCH]: 'WTF Do Girls Want' Rant, Rihanna's Ex Ignored With Sexy 'Shmoney' Dance Video

All relationships have their ups and downs, especially when it comes to Chris Brown's on-and-off again romance with aspiring model, Karrueche Tran.

Despite Breezy's "troublemaker" status, the 26-year-old exotic beauty remains fully loyal. But is Tran finally getting fed-up with the "Loyal" crooner's playboy ways?

Earlier this week, the brunette sweetheart shared this status update on Instagram: 

Perhaps a "warning" message aimed at her X beau?

Of course, Brown had his own reaction... although a bit more explicit:

chrisbrownofficial: "Da FuH!"

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  View on Instagram

Tran has yet to share her own cryptic response back. Instead, she decided to celebrate Halloween a few weeks early alongside friend and actor, Michael Franklin:

So - are the two officially breaking-up for good this time? Wonder if ex-girlfriend Rihanna has anything to do with it... Meanwhile, Tran continues having a great time (solo) - for a good cause. Christina Milian's bestie recently participated in LA's annual AIDS Walk. To celebrate and raise awareness, Tran and her Symphonic Love crew hit the streets and danced along to Bobby Shmurda's new viral hit, "Shmoney Dance." Check it out:

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Had to hit it one time for the AIDS Walk! Lol great times  View on Instagram

Look what you might be missing, Breezy!

Rumors still suggest that Tran might be pregnant with Brown's baby. Doesn't seem that's happening anytime soon, although Tran's made it pretty obvious she's ready to start a family (eventually). Should she hold-out and give RiRi's ex one last chance?