Medieval Royalty Masquerade Ball: The Lords and Ladies of Seraphim are requested by royal decree to attend the Royal Masquerade Ball in honor of King Gustav III of Sweden . King Gustav III of Sweden has just released his newest and possibly greatest play, ?Once upon a Star!? The King himself plays a stunning leading man opposite the beautiful and very talented leading lady, Elisabeth Olin. The Royal Court and Cast will be available for socializing in the Royal Ballroom prior to the start of the Masquerade Ball. Price: $8.95/person, 8 person minimum.