Daughter of Italian diplomat and former journalist Count Ernesto Arrighi and Australian prima ballerina and model Eleanora ("Nellie") Douglas Cox, daughter of grazier Douglas Cox, Arrighi was raised in the Vaucluse neighborhood of Sydney, Australia.

[2] Arrighi began her professional career as a fashion model in Paris, then moved to London, where she studied acting at the Royal Academy of Dramatic Art.

In 1967 she played the parts of Corinne in The Champions ('Reply Box No.66') and a gypsy girl in The Prisoner ('Many Happy Returns').

After a ten-year career in film and television she retired in the early 1970s to return to art, which she had studied as a young woman.

They lived in Hong Kong, where he was an engineer, before moving in 1984 to Italy, where she still resided at Palazzo Borghese in Artena until her death.