According to Wikipedia,
Liv Rundgren Tyler is an American actress, producer, singer and former model. She began a modeling career at age 14. She later decided to focus on acting and made her film debut in Silent Fall ; she went on to achieve critical recognition with starring roles in Heavy and Empire Records , as well as That Thing You Do! and Stealing Beauty . She then appeared in films such as Inventing the Abbotts , Armageddon , Cookie's Fortune and Onegin , Dr. T & the Women , and One Night at McCool's . She then played Arwen Undómiel in the Lord of the Rings film trilogy , which became one of the highest-grossing film series in history.