DIVAS IN COSTUME Operatic divas can become so associated with their signature roles that any sensible marketing executive realizes that showing the diva in character can be a powerful way to sell her music. But what may look great on a huge operatic stage under bright lights surrounded by a swarthy chorus and live animals, doesn't always translate easily to the confines of a 12-by-12-inch space. Some divas never learned to say "no" to their costume and make-up people -- we love it; but oh, do they regret it. Click covers to go into galleries VIVA VERDI   BELCANTO BELLES   VERISMO VIXENS MESMERISING MOZARTIANS   FRENCH FANCIES   SAUCY SENORITAS RESPLENDENT ROYALTY   INNOCENT INDIGENE   TANTALISING TEMPTRESS IN OLDEN DAYS   DYNAMIC DUOS   ENDURING ENSEMBLES