Not long after Rihanna opened up to Rolling Stone about how Chris Brown "doesn't have the luxury to f--- up again," the bizarre, tempestuous duo were spotted at a club together in the wee hours of this morning (Feb. 4), which isn't unusual.

What is? Karrueche Tran was there. With another dude.

This made poor widdle Bweezy sad.

It's unclear exactly what went down, because, well, no one ever really knows what's going on with this trifecta of fail, but Brown was spotted leaving the Greystone Manor in Los Angeles with in tears in his eyes.

We're not sure why seeing Tran with another guy would upset him so much considering while he was dating her -- you know, before he dumped her publicly -- he was heavily rumored to be banging Rihanna.

Speaking of the Bajan beauty that occasionally sings, Rihanna apparently left the club on her own shortly before Brown did. Reports alternate from saying she "stormed out," which would imply something heated, to saying she was "cool and collected."

While no one really commented on the situation, Rihanna, in her usual fashion, issued a cryptic tweet: "F---ing problems."

Well, yeah. Anyone who dates Chris Brown has plenty of those.

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