During her acting career, Ghia was sometimes credited as Ghia Arlen.
She debuted as a singer in 1953, during a student show, then in 1956 she was first noted thanks to the participation on the RAI contest for newcomers Primo applauso.
She was an Italian actress, singer, and model.
Ghia started appearing as a vocalist in several RAI variety shows, and recording several singles, and between 1963 and 1977 she appeared in a number of films and television series, mainly in character roles.