Catherine grande is a 12 year old girl. She has a big brother called Frankie and An older sister called Ariana . She always get mistaken as ariana and she's stick and tired of it.! All she wants that ariana wasn't famous and no one knew ariana . But the thing is , she's mean to ariana because she looks like her and she hates it. Ariana looks out for her sister but also ariana hates its when she gets mistaken for Catherine . The girls are both mean to each other and Joan,Frankie and nonna wants to know what's going . Will the girls end up becoming the sisters ,the way there mother wants .? Will they meanness go to far.? Will something bad happen to someone who they love.? Find out in the grande sisters