Create an image that bursts with festive energy, showcasing a lively gathering filled with laughter and joy. Picture friends and family of diverse backgrounds dancing together under colorful lights, surrounded by balloons and confetti. The setting is infused with vibrant shades of pink, yellow, and blue, capturing the essence of happiness. Include elements like a shimmering cake, joyful music notes, and people sharing heartfelt moments for an unforgettable celebration ambiance.