I guess Rihanna doesn't hold it against Chris Brown for being a rude boy!

The sexy singer went on Ryan Seacrest's morning radio show Thursday and explained why she chose her abusive ex-boyfriend to collaborate on her song, "Birthday Cake."

"I reached out to him about doing "Birthday Cake" because [he was] the only person that really made sense to do the record -- just as a musician. Despite everything else, that was gonna be the person."

RiRi doesn't hold back on the compliments for her former beau either! She called him "the hottest R&B artist out right now" , and since we know these two are secretly hooking up, it doesn't surprise us that she would dish out the praise!