THE one thirty A.M. show, called Luna de Tropicana, Romeu’s musical selections included: “Stranger in Paradise” and “Moonlight Serenade.” The finale, which was danced to George Gershwin’s “Rhapsody in Blue,” featured all the performers—the models, the dance corps, a few trapeze artists, and the soloists—dressed in black outfits with fluorescent blue threads visible only under ultra-violet light. They even wore a blue makeup base on their faces which Gomery the makeup man had