Elizabeth Debicki (born 24 August 1990) is an Australian actress. After studying drama at the Victorian College of the Arts, she made her film debut with a brief role in the Australian comedy A Few Best Men (2011). Debicki's role in Baz Luhrmann's The Great Gatsby (2013) won her the AACTA Award for Best Supporting Actress. She played Ayesha in the Marvel film Guardians of the Galaxy Vol. 2 (2017), and gained critical attention for her performance in Steve McQueen's heist thriller Widows (2018). The following year, she received the Cannes Film Festival's Trophée Chopard. She then co-starred in Christopher Nolan's science fiction thriller Tenet (2020).

On television, Debicki appeared in the Australian series Rake (2014), starred in the BBC limited series The Night Manager (2016), for which she received a Critics' Choice Television Award nomination, and the HBO television film The Tale (2018). In 2022, she portrayed Diana, Princess of Wales in the Netflix drama series The Crown, gaining a nomination for a Golden Globe Award for Best Supporting Actress.

Early life
Elizabeth Debicki (Polish: ) was born on 24 August 1990 in Paris to a Polish father and an Australian mother of Irish descent. Her parents were both ballet dancers, who met while performing in a show together. When she was five, the family moved to Glen Waverley in Melbourne, Australia. The eldest of three children, she has a younger sister and a brother.

Debicki became interested in ballet at an early age and trained as a dancer until deciding to switch to theatre. A student at Huntingtower School in eastern Melbourne, she achieved two perfect study scores in Drama and English and was the school's dux when she graduated in 2007. In 2010, she completed a degree in drama at the Victorian College of the Arts. In August 2009, she was the recipient of a Richard Pratt Bursary for outstanding acting students in their second year of training. Debicki is 6 ft 3 in (1.91 m) tall.