Drake and Rihanna take relationship up a notch; officially exclusive!

Rihanna's locking it down -- she and Drake are officially exclusive according to a TMZ report

Multiple sources extremely close to the couple say Rihanna and Drake have gone from casually hooking up to seriously dating ,they've decided to give it a serious shot.

 Rihanna  reportedly wants to spend as much time with Drake as her schedule permits because he treats her better than anyone she's ever been with. 

The pair have been virtually inseparable while Drake's been touring in Europe and Rihanna has spent every single night with him since she arrived.

Drake on the other hand  is said to be so smitten and in one of the best moods he's been in a long time! 

Awwwwwww but would would Chrissy say now??