Kyle Richards has finally bitten back at Rihanna, after the singer claimed there’s “something going on” with her close friend, Morgan Wade. Rumors about Kyle and the Australian singer have been continuously denied over the past several months. Since Kyle Richards split from her long-time husband, Mauricio Umansky, she’s been spending a lot of time with her friend, Morgan Wade. Even Rihanna has weighed in on the rumored romance… Kyle Richards bites back at RihannaKyle addressed Rihanna’s comments about her and Morgan Wade’s friendship. “It’s pretty funny,” she told Hello! on Wednesday’s Women’s…