Rihanna & Drake 'dating' to make exes jealous? Chris Brown 'romances' Karrueche Tran after rehab, Maliah Michel 'hooking up' with Young Money rapper Young Thug

Rihanna and Drake aren't an official "couple" yet, but rumors suggest that they're definitely more than just friends!

UPDATE: Rihanna & Drake 'romantic' Paris date revealed, rapper treats Chris Brown's ex to sexy birthday surprise? Relationship 'flows well,' RiRi drops bad boys?

RiRi and Drizzy continue partying together... a lot. In fact, the Nothing Was the Same rapper allegedly showered the "Diamonds" songstress with "mad love" on Valentine's Day and her 26th birthday. So, why aren't they actually dating?

Sources insist that the two singers want to keep things fun and casual for now. Especially since their exes seem to be heating things up with other people...

Several fans already know that RiRi's troubled ex Chris Brown is now in a serious relationship with aspiring model Karrueche Tran. Breezy just left anger management rehab, and Tran was there to welcome him home with open arms.

Is the Barbadian beauty jealous? She appears to be enjoying the single life, but it still must hurt a little...

As for Drake, rumors have it that his ex-girlfriend Maliah Michel is "hooking up" with fellow Young Money star, Young Thug.

Young Thug is new to the YMCMB team, but Bossip reports that he "already made it rain on [Michel]... despite the fact she used to be Drake's boo."

Wonder if Drake feels somewhat betrayed?

So, are Drizzy and RiRi emotionally leaning on each other for support while their exes move on - what do Mstars readers think? Will this eventually lead to a "true" romance?