Liv Rundgren Tyler(born July 1, 1977) is an American actress and model. She is the daughter of Aerosmith's lead singer, Steven Tyler, and Bebe Buell, model and singer. Tyler began a career in modeling at the age of 14, but after less than a year she decided to focus on acting. She made her film debut in the 1994 film Silent Fall. She then appeared in supporting roles in Empire Records (1995), Heavy (1996) and That Thing You Do! (1996). Tyler later achieved critical recognition in the leading role Stealing Beauty (1996). She followed this by starring in supporting roles including Inventing the Abbotts (1997) and Cookie's Fortune (1999).
Tyler achieved international recognition as a result of her portrayal of Elf maiden Arwen Undómiel in the Lord of the Rings film trilogy. She has appeared in an eclectic range of films, including the 2004 comedy Jersey Girl, the indie film Lonesome Jim (2005), the drama Reign Over Me (2007) and big-budget studio films such as Armageddon (1998), The Strangers (2008) and The Incredible Hulk (2008).
In 2008, she starred in the horror-thriller The Strangers with Scott Speedman, a film about a young couple who are terrorized one night by three masked assailants in their remote country house.Although the film garnered a mixed reception among critics,it was a box office success.In an interview with Entertainment Weekly, she noted that The Strangers was the most challenging role of her career. "It was as far as I could push myself in every way: physically, emotionally, mentally."In April 2011, publishing house Rodale announced that Tyler and her grandmother Dorothea Johnson, a noted etiquette expert, have written a book called "Modern Manners." Rodale plans to release the book in May 2012.