EXCLUSIVE: Guess Which MUSIC SUPER MOGUL Is GETTING ERR FRIENDLY With Rihanna!!!

there is a new BUDDING 'friendship' . . . between pop superstar RIHANNA . . and 47 year old super producer DR DRE. According to a ROCK SOLID (and we mean ROCK solid) insider, Rihanna and Dre were kickin it at a top Los Angeles club earlier this week. And that ain't no RUMOR y'all . . . it is FACT!!!

According to MediaTakeOut.com's trusted insider, the two BOTH got very drunk, and started hugging and being very FLIRTATIOUS. Tells the insider, "It was embarrassing . . . [Dre] was carrying on with that girl in front of everyone."

And it gets better. MediaTakeOut.com spoke with a DIFFERENT insider who tells us that Rihanna and Dre have some BUSINESS together too. Word is that Rih is CURRENTLY negotiating to come out with a new brand of HEADPHONES - a line of BEATS BY DRE earphones for girls. And while it's not yet SIGNED . . we're sure that Rih's new FRIENDSHIP with Dre is helping things along.

Dang Rih we are NOT even mad. Get friendly with Jay - go from BAD SINGER to hottest female pop act in the world. Now get FRIENDLY with Dre -- and end up with a new HEADPHONE LINE. That's some real FEMALE PLAYA ISH right there . . .

We can't WAIT to see how this one plays out . . .