The second daughter of actress and Cooking Channel personality Debi Mazar and Mazar's husband and Extra Virgin culinary program co-star, Gabriele Corcos, she was born four years into her parents' marriage.
She appeared in "Chickens Come Home," her first episode of her family's Extra Virgin show, when she was just four years old.
While rising to fame for their television cooking program, Giulia's parents also co-hosted a culinary web series titled Under the Tuscan Gun.
Her older sister, Evelina Corcos, was born in 2002. The siblings spent their earliest years in Los Angeles, California, and later lived in both New York City and Florence, Italy.
Acclaimed film actress Ellen Burstyn was the officiant at Giulia's parents' wedding.