Imagine a striking alien diplomat, draped in intricate, shimmering robes that flow like liquid stars. Their skin glows with soft iridescence, reflecting hues of cobalt and emerald. Surrounded by swirling galaxies and planetary orbits, they gesture gracefully, extending an invitation to peace and unity. The scene pulsates with cosmic energy, blending elegance and otherworldly charm, as planets and asteroids form a breathtaking backdrop.