"Nothing Has Been Proved" is a song and a single release by British singer Dusty Springfield, written and produced by the Pet Shop Boys. The song was the second collaboration between Springfield and the Pet Shop Boys, following their UK #2 and US #2 hit duet "What Have I Done to Deserve This?" in 1987. "Nothing Has Been Proved" prominently features an orchestral arrangement by Angelo Badalamenti and a soprano saxophone solo by Courtney Pine. Marshall Jefferson provided a dance mix which appeared on the 12" and CD singles.