Listen to Let's Do It (Let's Fall in Love) online. Let's Do It (Let's Fall in Love) is an English language song and is sung by Ella Fitzgerald. Let's Do It (Let's Fall in Love), from the album Melodies of Love - Unforgettable Love Songs, was released in the year 2012. The duration of the song is 3:34. Download English songs online from JioSaavn.