cosmic galaxy background with holographic iridescent hearts

glittering outer hologram cosmic stardust celestial constellations enchanting holographic interstellar shimmering effects ethereal cosmos multicolored shiny sparkling galactic mystical magical theme futuristic shapes love spaceinspired astral starry heavenly iridescent glowing backdrop dreamy whimsical galaxy mesmerizing nebulainspired vibrant hearts rainbow universe aurora space aigenerated