Hailee Steinfeld (born December 11, 1996) is an American actress. She is notable for her role as Mattie Ross in the 2010 film True Grit.
Steinfeld was born in Tarzana, Los Angeles, the daughter of Cheri (née Domasin), an interior designer, and Peter Steinfeld, a personal fitness trainer. She has an older brother, Griffin, and her uncle is fitness trainer Jake Steinfeld. Her father is Jewish; her maternal grandfather is of half Filipino and half African American descent, and her maternal grandmother is Caucasian. Steinfeld was raised in Agoura Hills and later in Thousand Oaks, California, attending Ascension Lutheran School, Conejo Elementary, and Colina Middle School. She has been home-schooled since c. 2008.