Liv Tyler (born Liv Rundgren, on July 1, 1977, at Mount Sinai Hospital in New York City, New York) is an American actress and model. Liv is the first born daughter of Steven Tyler, lead singer of Aerosmith, and Bebe Buell, a model and singer. She is best known for her roles of Grace Stamper in Armageddon and Arwen in The Lord of the Rings trilogy.