A highly detailed illustration of Princess Peach riding a sleek pink Mario Kart-style racing bike with a Fast and Furious design. She wears a fashionable pink sports suit with white accents, holding a matching helmet in her right hand. The backdrop showcases a nighttime cityscape with vibrant neon lights and a mysterious, dark fantasy vibe. The text "Mario Kart SPEED" appears prominently at the top, adding a cinematic touch. The high-resolution image combines stunning visuals with striking typography for an unforgettable poster experience.