La Muerte is hot because she is unapologetically Mexican . She wears the Catrina not as a costume, but as a crown. She represents the idea that death is beautiful, that age is irrelevant, and that power is sexy.
Her "fire and ice" relationship with Xibalba adds a layer of spicy chemistry to the film. Their bickering and eventual reconciliation are highlights of the story.
She carries herself with the poise of a queen, commanding every room (or underworld) she enters.
To truly live the "Catrina" lifestyle, you need the gear. Major retailers now stock Book of Life specific merchandise every autumn: