Rihanna 'Dating' Big Sean, Chris Brown 'Dumps' Karrueche Tran? Twitter Fans Respond to RiRi's 'Flirtation' With Another Rapper After Drake 'Fling'

So, word on the street is that Rihanna's now dating Big Sean? Well, ex-beau Chris Brown might not be happy about that, considering rumors suggest he just broke-up with Karrueche Tran! Oh, the drama involved with the Hollywood dating scene!

UPDATE: Rihanna 'Girl Crush' PHOTOS: Forget Big Sean Dating Rumors, Drake's Ex 'Flirts' With Sexy Colombian Naty Betancourt, World Cup 'Vine' Goes Viral [WATCH] 

Rihanna Dating Drama, Drake vs. Big Sean: Rapper's Ex-Fiancee Naya Rivera 'Jealous' Of RiRi Flirtation? 'Glee' Beauty Shares Sexy Instagram PHOTOS

As Mstars previously reported:

Apparently, RiRi's totally over former "fling," Drake. And the 26-year-old Barbadian songstress is ready to romantically move-on with yet ANOTHER rapper!

But this time, not her troubled ex Breezy. The "Stay" crooner's been spotted hanging-out with Big Sean!

According to the infamous gossip webloid MediaTakeOut.com, Rihanna and the 'Hall of Fame' emcee were spotted "flirting" at NBA superstar Kevin Durant's epic pool party in LA on Saturday (July 5). Insiders reveal that the two singers actually arrived to the bash together - and they were definitely acting like a couple!

Check out a photo of RiRi chillin' with her "new man" here.

They kept things very casual - the "Pour It Up" beauty spent a lot of time chatting with her gal pals while Big Sean invited a bunch of his homies to the event.

So - do RiRi and the "Mercy" rapper make this summer's hottest hip-hop power-couple? Move over, Beyonce and Jay-Z!

Rihanna seems to be enjoying the single life, so who knows if there's really a "blossoming" relationship in-the-works. Maybe they'e just good friends, having some fun.

Well, if the rumors are indeed true, enjoy this Rihanna and Big Sean "mash-up" to celebrate!

RELATED: Karrueche Tran 'No Sex' Diss: Chris Brown's Girlfriend 'Refuses Hanky-Panky' After 'Threesome' Cheating Scandal, Rihanna Amused?

Twitter fans definitely had some fun with Rihanna and Big Sean's new "relationship" status -

@TiquaR_95: "I just can't believe Big Sean left his beautiful fiancé over some ugly ass Rihanna... like wtfff yo lol."

@asvpixaac: "Rihanna and Big Sean are definitely not dating, its so obvious."

@Laari_navy: "RIHANNA AND BIG SEAN AHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH."

@guaposhutter: "Im here for @BigSean and @rihanna being in a relationship... if rumours are true I approve... thats big cuz to me no one is good enough."

Well, RiRi and the "Fire" singer are supposedly working together in the studio, so maybe it's just a friendly work relationship? Rihanna has yet to share any "flirty" messages on Twitter, so stay tuned!

As for those rumors surrounding Breezy's "faltering" relationship with his model girlfriend...

Karrueche Tran & Chris Brown Instagram Break-Up? Rapper Deletes Sexy Thong PHOTO, 'Cute Couple' Pics Mysteriously Disappear, Rihanna To Blame?

Is the "Fine China" crooner cheating on Tran now that he's gained freedom again?