Martha Stewart's grandchildren refer to her by her first name.
The lifestyle guru has daughter Alexis Stewart with ex-husband Andrew Stewart and not only has the presenter never used a familial title such as 'mom' to address the 84-year-old star, but her own children, Jude, 14, and 13-year-old Truman - who she had via Alexis - don't use 'grandma' either.