Generate an image of Shrek and Fiona lying side by side on their backs in a grassy field under a starry night sky. Both are looking up at the constellations with thoughtful and serene expressions. The stars are bright and sparkling, with the Milky Way visible, creating a magical and peaceful ambiance. Shrek and Fiona are holding hands, emphasizing their bond, while the lush grass and distant trees frame the enchanting night scene.