The Opera Babes are a crossover classical music duo, consisting of Karen England (born 1974), mezzo-soprano, and Rebecca Knight (born 1970), soprano. 　　The duo came to wide attention when they sang "Un bel dì vedremo" (from the opera Madame Butterfly) on television sports programmes, beginning in 2002. In addition to performing with major orchestras in Britain and touring with their own shows, they released their first album, Beyond Imagination in 2002 and their second album, Renaissance, in 2006.