A giant birthday cake donut with Houdini simulation frosting overflowing with rainbow sprinkles floating tropical fruit swirling glitter palm tree figurines, flamingoes, fancy birthday candles, confetti particles, sugar decorations tchotchke, white clouds, sunny, Happy Birthday! 🎂🧁🍭🍧🎉💫💕 unreal engine, octane render, high definition, hyper detailed, maximalist, photorealistic, 8k