Rihanna, Drake dating strong, Cheating rumors don't worry Rih-Rih, Chris Brown loses ex-girlfriend to close 'friend'

Rihanna isn't worried about Drake's cheating rumors because she isn't his "girlfriend" and the pair is just having fun.

According to HollywoodLife.com, a source close to  the singer says that she isn't concerned about the other women because she is secure with her place in Drake's life, "My girl is fine and really her jealous - ha, that's the funniest thing ever," the source added, "Drake has a lot of female friends who are in his circle - Rihanna's not tripping."

Although, the couple has been rumored to be getting serious in a relationship, however the source says that they have built their romance off of their friendship, "They are friends first and no matter where the chips fall - they'll always be friends first - no female can break up their friendship," the source said.

MStars News previously reported:

Rihanna and Drake are slowly making their relationship known in public while touring and partying in Europe together. The pair was spotted in Belgium together getting touchy in VIP while enjoying a smoke with one another.

According to a MediaTakeOut source, they were smoking and kissing in the VIP.

According to PageSix, as dating rumors between Rihanna and Drake seem to appear serious, Brown has been reaching out to the Barbadian diva. One source revealed, "Chris started texting Rihanna on her birthday [Feb. 20], and the two have been sending each other a flurry of texts ever since."

The source added, "Rihanna didn't write back right away . . . but later that night she started getting sentimental and texted back, 'thank you,' and asked how he was," the insider revealed. "Since then, the two haven't stopped texting each other and friends are freaked out that she's going to start dating him again."