Kathy Hilton's 8 Grandchildren Don't Call Her 'Grandma,' Instead Use a Cute Nickname from Her Own Childhood

Kathy Hilton's 8 Grandchildren Don't Call Her 'Grandma,' Instead Use a Cute Nickname from Her Own Childhood

Three of Kathy's four children have kids of their ownKathy Hilton, husband Rick Hilton with their eight grandchildren.Credit: Amy Sussman/Getty; Rick Hilton/InstagramNEED TO KNOWKathy Hilton tells PEOPLE in an exclusive interview that her grandkids have a cute nickname for herThe Real Housewives of Beverly Hills star is a grandmother to eight grandchildren totalKathy describes herself as a "fun and silly grandma"Kathy Hilton loves life with her …