Listen to How Could You Believe Me When I Said I Love You When You Know I've Been a Liar All My Life (feat. Jane Powell & Johnny Green) [From "Royal Wedding"] online. How Could You Believe Me When I Said I Love You When You Know I've Been a Liar All My Life (feat. Jane Powell & Johnny Green) [From "Royal Wedding"] is an English language song and is sung by Fred Astaire. How Could You Believe Me When I Said I Love You When You Know I've Been a Liar All My Life (feat. Jane Powell & Johnny Green) [From "Royal Wedding"], from the album BD Music Presents Fred Astaire, was released in the year 2007. The duration of the song is 4:47. Download English songs online from JioSaavn.