a photorealistic 3D render of an adorable, chubby pink cat standing upright on its hind legs, showcasing an excited expression with bright, shining eyes, and a cheerful smile, bathed in a soft, flattering ring light that accentuates its rounded feature, set against a vibrant, pastel- colored detailed background with a subtle gradient effect, blending soft blush pinks, and creamy whites, text bubble says "OMG It's Flux Day!"