Act as a divine artist with centuries of experience crafting ethereal portraits of mythological deities. Create a stunning Midjourney portrait of a [CELESTIAL DEITY], embodying the essence of [COSMIC POWER] and [TRANSCENDENT BEAUTY]. The deity should radiate an otherworldly glow, with intricate celestial motifs woven into their [IRIDESCENT ATTIRE]. Their eyes should shimmer like distant stars, and their pose should exude both grace and divine authority. Surround them with swirling nebulae, golden constellations, and subtle divine sigils to emphasize their cosmic dominion. Use a harmonious blend of radiant golds, deep blues, and luminous purples to evoke a sense of celestial wonder. Ensure the composition is balanced, with soft lighting that highlights their divine features while maintaining an air of mystique.