enchanting cosmic themed birthday with starry backdrops and celestial decor

cosmos celestial stargazing crescent moon galaxy constellation birthday party gathering cosmic whimsical shimmer glitter sparkle decor table linens place settings cake frosting swirl attire backdrop motif event night sky space pattern texture design atmosphere mood magical enchanting fantasy wonder dreams imagination explore discover adventure festive elegant stylish themed starry backdrops guests dressed inspired shimmering constellations generative