Cristina Barbieri (born 12 June 1963), best known as Diana Est, is an Italian singer who retired in the mid-1980s.
Born in Milan, Barbieri started her career as the vocalist in a new wave group formed by alumni of the Santa Marta Music School in her hometown, first using her birth name Cristina, then adopting a number of stage names.
[1] In 1981, she was put under contract by Dischi Ricordi and adopted the stage name Diana Est.
[1][3] Following a further single, and once her contract with Ricordi expired, Est abruptly decided to quit showbusiness in the mid-1980s.
[1][2] In 2002, the novelist Matteo B. Bianchi wrote a short story, Magnifica ossessione (i.e. "Magnificent obsession") about the imaginary life of Est after her retirement.