Mary Cosby is finally addressing why her husband, Robert Cosby Sr., isn't featured on The Real Housewives of Salt Lake City ...

Mary added that Robert Jr.'s wife, Alexiana Cosby, "also went to rehab" and is "still in there." The mother-son duo "didn't ...

BRAVO star Mary Cosby has admitted her marriage to step-grandfather Robert tore her family apart - because her mom wanted to marry him. The Real Housewives of Salt Lake City star was 22 when she ...

"Mary has not filmed anything this season and they just started this week," the source says. Fans have speculated that Cosby, 49, would be exiting RHOSLC after she skipped the season 2 reunion ...

The Real Housewives of Salt Lake City' star Mary Cosby shares family updates with ET's Brice Sander at her home in Utah. Mary Cosby sits down with ET at her home in Utah to discuss 'The Real ...