Liv Rundgren Tyler (born July 1, 1977) is an American actress and model. She is the daughter of Aerosmith's frontman, Steven Tyler and model, singer Bebe Buell. Tyler began a career in modeling at the age of fourteen, but quickly decided to focus on acting. Her first notable role was appearing alongside Alicia Silverstone in the music video for Aerosmith's song "Crazy" in 1993.At age seventeen she made her film debut in the 1994 film Silent Fall. Following her performance in Silent Fall, Tyler starred in her breakthrough performance in 1996's Stealing Beauty. In 1998, she starred opposite Ben Affleck in Armageddon, which became a summer blockbuster. Tyler then went on to portray elf princess Arwen Undómiel in Peter Jackson's The Lord of the Rings trilogy. After a brief hiatus she returned to acting, starring in the horror-thriller The Strangers and portraying Betty Ross in The Incredible Hulk.