Daughter of Steven Tyler of the band Aerosmith and Bebe Buell, former model (and Playboy Playmate of the Month). She was offered the part of Callie in Heavy (1995) after a single reading, and only three weeks later was cast in Silent Fall (1994) - James Mangold, director of Heavy (1995), decided to delay shooting until Liv was available. With seven films in the 1993-96 period her career took off. Stars in Lord of the Rings.