She is best known for her role as Raffaella "Lila" Cerullo in the HBO coming-of-age television series My Brilliant Friend.

[1] Gaia Girace grew up in Vico Equense, Naples.

[3] She attended the Liceo Classico Publio Virgilio in Meta,[4] and was cast in My Brilliant Friend in her first year.

[5] At the age of 13, Girace began attending acting classes, citing a need to express herself.

[6] She underwent 7 months of auditions[3] before being chosen to play Lila Cerullo out of 10,000 girls.