Fanning was born in Conyers, Georgia. She attended a Montessori School in Covington. Her mother, Heather Joy (née Arrington), played tennis professionally, and her father, Steven J. Fanning, played minor league baseball and later worked as an electronics salesman in Los Angeles, California.
Fanning was born in Conyers, Georgia. She attended a Montessori School in Covington. Her mother, Heather Joy (née Arrington), played tennis professionally, and her father, Steven J. Fanning, played minor league baseball and later worked as an electronics salesman in Los Angeles, California.