RHOSLC: Tearful Mary Cosby Blames Herself for Son's Drug Addiction

Mary Cosby Claims Lisa Barlow Didn’t Reach Out After Robert Jr. Scene

RHOSLC's Mary Cosby Shares Update on Son Robert Jr.'s Health After He Went to Rehab: 'Came Out a New Person'

Mary Cosby Says Son Robert 'Is Doing So Good' After Leaving Rehab