Mary Beth Hughes rides a bike.“Keep that schoolgirl figure…and no better way is found than outdoor bicycling. So declares Mary Beth Hughes, Metro-Goldwyn-Mayer actress who makes her screen debut with Jeanette MacDonald in “Broadway Serenade”.“Stiffening the legs with strong downward emphases on pedaling is a grand reducing exercise for thighs and hips. – May 9 1939”
