As Rihanna moves on with her life after her 90th breakup with Chris Brown and is hopefully planning to give Matt Kemp a call, Chris Brown is reportedly back on with the Mimi Faust of his life, Karrueche Tran.

According to TMZ, the two “hooked up days before his 24th birthday earlier this month and she’s been staying at Chris’ Hollywood Hills home ever since.” However, this time she’s keeping her own apartment just in case. Or in other words, brought all her stuff over to his house and forces him to keep paying the rent should he decide to up and drop her ass.

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And it’s not like they’ve been secretive … they’ve been spotted everywhere lately, hitting up the Billboard Awards afterparty and even rear-ending a Mercedes together.

Karrueche’s one persistent scorned lover — when Chris first dumped her back in October for Rihanna — she vowed to win him back, as TMZ first reported.

So where does this leave Rihanna? RiRi and Breezy officially called it quits a few weeks ago … but they’ve ALWAYS had an on-again, off-again relationship … and Chris has made it no secret — he loves ’em both.

I mean, some people would call her dumb, others might argue that it beats working at Nordstrom’s at The Grove. But whatever their relationship is, it’s certainly theirs and theirs alone. So you know, good luck with that, cute Karreuche.

Still, I have to say: Please don’t end up like Mimi. Please don’t end up like Mimi. Please don’t end up like Mimi.

P.S. Please don’t end up like Mimi.