MTO EXCLUSIVE: Rihanna DUMPS Matt Kemp . . . Is Now OFFICIALLY DATING Rapper Drake!!!

: Well . . . you knew that it wasn’t going to last. OFFICIALLY learned that R&B singer Rihanna and her boyfriend, Major League Baseball’s MATT KEMP have separated.

An insider explained, “Rihanna is overseas [in Australia] and she broke it off with Matt via text . . . It was something to the effect of – ‘It’s not working out, DUECES.”

But the more interesting thing is that now it allows Rihanna to go PUBLIC with her longtime FLING with rapper DRAKE. The two are DEFINITELY an item. And that’s not rumor, ladies and gents – it’s FACT!!!