Poster Design Prompt

A bright fun kids hydration advertisement poster. A cheerful young girl age 7 with two ponytails laughs and runs beside a giant colorful water bottle 3x her height covered in star and rainbow stickers, "SPLASHPOP" written in bubbly font on the bottle. Bright aqua blue background with splashing water droplets and rainbow bubbles everywhere. Bubbly rounded playful typography "SPLASHPOP" in bright multicolor filling the background. Tagline bottom: "Stay cool, stay you' Small text top-right corner reads "Designed with GPT Image 2" in grey. Photorealistic, fun kids product commercial, bright cheerful studio lighting.