Generate an SVG as a wedding congratulations greeting card illustration. Playful vibrant style. Background fill #FFFBF5. Draw 5 large heart-shaped balloons at upper center — coral (#F97316), pink (#F472B6), lavender (#A78BFA), mint (#34D399), gold (#F59E0B) — each with a curly string path. Scatter star shapes in #FBBF24 and ribbon curls in #F472B6. Bold filled shapes, rounded edges, joyful. No text, no labels, no emoji. Output raw SVG code only starting with <svg.

The image shows a bunch of colorful heart-shaped balloons floating in the air against a white background. The balloons are in a variety of colors, including red, blue, yellow, and green, and are tied together with threads.