Although several eyebrows were raised when Rihanna
decided to collaborate with Chris Brown
on her suggestive single "Birthday Cake", the singer claims she was surprised by the backlash surrounding the song.
During an interview with Esquire UK, the "Talk That Talk" singer defended her decision to work with Brown, saying, "It never occurred to me how this was going to be a problem. I thought people were gonna be surprised that we finally did ...