Because a vampire Rosalie came across a human Emmett. An alternate Twilight tale.

A head full of dreams, an eye for the beautiful, and a wistful hope for adventure. That was Esme Platt. A husband, a baby, and a dark night on a cliff later the dreams are gone, beauty has turned monstrous and the adventure seems over before is even begun. But the world has other plans for Esme Platt, and a doctor with golden eyes and the face of an archangel will change everything

Rosalie has it all- pretty, popular and perfect, she thinks the world is hers. But sometimes even the most beautiful angels fall. Sequel to Where the Wild Roses Grow. AH.