A recipient of the Laurence Olivier Opera Award, she has often appeared at Covent Garden, in Rigoletto (opposite Ingvar Wixell and Jerry Hadley, 1989), Carmen (as Micaëla, 1991 and 1994), and Roméo et Juliette (1994).
In 2000, Vaduva appeared at the Metropolitan Opera, in six performances of La bohème (as Mimì, with Luis Lima). The soprano has also sung with the companies of Buenos Aires, Barcelona, Cologne, Vienna, and Paris.
Her discography includes Rigoletto (1993), Les contes d'Hoffmann (as Antonia, with Roberto Alagna, conducted by Kent Nagano, 1994-96), La bohème (again with Alagna, led by Sir Antonio Pappano, 1995), and an album of "Opera Arias," conducted by Plácido Domingo (1997). Especially noteworthy is her DVD of Roméo et Juliette, with Alagna, conducted by Sir Charles Mackerras and directed by Nicolas Joël (1994).