Younger sister of Mary-Kate Olsen and Ashley Olsen.
Elizabeth was born to Jarnette Olsen, a former dancer with the LA ballet, and David Olsen, a mortgage broker in Los Angeles. She is well-known as the little sister of Mary-Kate Olsen and Ashley Olsen and she has an older brother, Trent Olsen.
A graduate of NYU Tisch School of the Arts and the Atlantic Theater Company Acting School in NYC.
Was cast as the lead in Martha Marcy May Marlene (2011), just two weeks before shooting.
When she was growing up, her favorite actress and role model was Michelle Pfeiffer. She got to meet her while she was on the set of I Am Sam (2001).
She enjoys playing volleyball.
One of her favorite films growing up was Tremors (1990).
Voted #94 in Ask men's 'most desirable' woman of 2012 list.
Elizabeth has a younger half-brother, Jake Olsen.
Elizabeth has a younger half-sister, Courtney Taylor Olsen.
Worked with Aaron Taylor-Johnson on three different films in two years: Captain America: The Winter Soldier (2014), Godzilla (2014), and Avengers: Age of Ultron (2015).
Her middle name is Chase because her parents wanted her to chase after her sisters.
Ex-stepdaughter of McKenzie Olsen.
Auditioned for the role of Daenerys Targaryen Game of Thrones (2011) which eventually went to Emilia Clarke.
As a child Lizzie took ballet and singing lessons. Lizzie auditioned for "Spy Kids", but she didn't get the role.
Announced her engagement to indie musician Robbie Arnett on July 30, 2019.