Known for being almost completely unfiltered and even a little bit rude, “The Real Housewives of Salt Lake City” star Mary ...

Rihanna shows incredible support for Real Housewives of Salt Lake City star Mary Cosby amid her son's addiction struggles, ...

Mary Cosby revealed that Rihanna personally reached out after her son Robert Jr. admitted to drug use in an emotional RHOSLC ...

"She reached out to us when the show aired and told us she loved us," Cosby said of the singer-turned-business mogul ...