Paramount Pictures decided in 1935 to create a new romantic team, thus cast singing stars Carl Brisson and Mary Ellis in the frothy operetta All the King's Horses. Brisson does the "Prisoner of Zenda" bit as a movie star who is forced by circumstances to impersonate a look-alike king. Ms. Ellis is the highborn lady who seems to be fooled by the ruse. The plots roll merrily onward while