After her father unexpectedly dies, Y/N's life is flipped upside down and she's forced to live with her mother down in California. Everything changes when she meets Ariana, the moody Brunette next-door.

Ariana Grande making horrible mistakes with a new visitor in the house, Erin, her new daughter. Nothing could be worse of how she's living. As Erin super exited to have her idol being there her new mother tries too hard to make Erin's life perfect.

My life as Ariana Grande's little sister is about a girl named Carlene Butera, which is Ariana Grande's father's last name. How Ariana and her little sister finally seen each other in along time, ever since her parents were divorced, and trying to deal with her life changing as the world knowing she is Ariana's little sister.