Create a high-quality, realistic album cover for the artist Lili-Rose titled 'Ce qu'il faut dire'. The background should be a slightly starry black sky with vibrant northern lights (aurora borealis). In the center, place both a rose and a lily flower, each glowing so intensely that their details are obscured. Surround them with a mass of other plants that are very dark, almost shadowy or white. Ensure that both the rose and the lily are prominently visible and glowing brightly. The title 'Ce qu'il faut dire' should be at the top in a soft, elegant handwritten font, and the artist's name 'Lili-Rose' should be at the bottom in an elegant, readable font. The composition should be harmonious, with the intense brightness of the rose and lily contrasting against the dark plants and the dreamy, poetic atmosphere created by the starry sky and northern lights.