Fresh off their hit E! reality series THE GIRLS NEXT DOOR, Hugh Hefner's three gorgeous girlfriends--Holly, Bridget, and Kendra--demonstrate exhilarating workouts that are sure to get everyone's blood pumping! These cuties work their beautiful bodies, showing how to keep in shape with fun exercises like "Hot Hip-Hop Romp," "Boot Camp Challenge," and "Sexy Silhouette Shape Up."