Listen to What Did I Do? - Betty Grable online. What Did I Do? - Betty Grable is an English language song and is sung by Bing Crosby and His Hollywood Guests. What Did I Do? - Betty Grable, from the album Bing Crosby And His Hollywood Guests, was released in the year 2005. The duration of the song is 1:57. Download English songs online from JioSaavn.