United Kingdom, Dec. 4 -- 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.

Appearing on the latest episode of QVC+'s 50+ and Unfiltered podcast, Martha explained: "They've called me Martha since they were born. And all their friends call me Martha. None of them call me Mrs. Stewart. I'm not a Mrs. Stewart.

"My daughter calls me Martha. She's always called me Martha."

The TV star says Truman swears just like Alexis.

Martha said: "I ...