Michelle Theriot, better known as grandma MiMi of OutDaughtered, has been arrested for a DUI. The arrest and details of grandma MiMi’s arrest has been confirmed by TMZ. Unfortunately for those hoping this was just a clickbait title, it isn’t. Grandma MiMi of OutDaughtered was arrested for a DUI. OutDaughtered Grandma MiMi arrested for DUI: