Riff Raff -- Don't Let This Girl's Ass Fool You ... I'm Kinda Dating Katy Perry

Katy Perry's got an unlikely new BF -- rapper Riff Raff -- at least that's on Riff Raff's wish list ... because he's SMITTEN after the two went on a date last week ... despite his obvious addiction to other women in thong bikinis.

Click here for info about our online advertising practices.