Create an image of a whimsical world where cats are dressed in elaborate costumes and posing for a portrait with people who have cat-like features, blurring the lines between feline and human characteristics.

Envision a whimsical realm where domestic felines are elegantly donned in elaborate attires. They are poised for a portrait-setting. The scene also incorporates humans exhibiting different cat-like characteristics, blurring the distinction between human and feline aspects. It's an enchanting scenario, putting into question where the line between human and feline end and begin. Savor the surreal detail, the rich costumes, and the merging and mixing of features that blur the lines of species.