Born on May 17, 1988, in Los Angeles, California, she is an American actress, screenwriter, and model. Gaining fame for her role as Rosalie Hale in the "Twilight" saga, she also co-wrote and starred in the film "Thirteen" at the age of 14. Her performance in "Thirteen" earned her critical acclaim and several award nominations. Beyond acting, she is involved in animal rights advocacy and co-founded a sustainable jewelry brand. She has been married to actor Ian Somerhalder since 2015.