Born on Aug. 7, 1982 in Lochinvar, New South Wales, Australia, the second of five children and first of two girls, to Barry and Shelley Cornish. Her younger sister, Isabelle Cornish, is also an actress.
Abbie's career began at age 13 when she began modeling, which led to a TV role in 1999 on Wildside, and her feature debut in The Monkey's Mask. Abbie was part of several acclaimed TV projects Down Under, piling up award nominations.
- A Good Year (2006)
- Elizabeth: The Golden Age (2007)
- Stop-Loss (2008)
- Bright Star (2009)
- Legend of the Guardians: The Owls of Ga'Hoole (2010)
- Limitless (2011)
- Sucker Punch (2011)
- W.E. (2011)
- The Girl (2012)
- Seven Psychopaths (2012)
- Robocop (2014)
- 2008 Australians in Film Awards, Breakthrough Award
- 2006 Film Critics Circle of Australia Awards, FCCA Award, Best Actress in a Lead Role (Candy)
- 2004 Film Critics Circle of Australia Awards, FCCA Award, Best Actor Female (Somersault)
- 2004 Australian Film Institute, AFI Award, Best Actress in a Leading Role (Somersault)
- 2004 IF Awards, Best Actress (Somersault)
- 1999 Australian Film Institute, Young Actor's Award (Wildside)
- Abbie was reputedly involved in Ryan Phillipe's divorce from Reese Witherspoon. However, Ryan's four-year relationship with Abbie ended in 2010.
- Abbie plays the guitar and piano.
- A vegetarian since she was 13, Abbie was voted "Australia's Sexiest Vegetarian" in 2008.
- Abbie previously worked for director Zack Snyder on Legend of the Guardians: The Owls of Ga'Hoole , released in 2010.
- Ranked No. 33 in Ask Men's Top 99 Most Desirable Women of 2011
- Ranked No. 89 in FHM's (Australia) 100 Sexiest Women in the World for 2011
- Abbie has a younger sister, Isabelle Cornish, who stars in the Australian TV series Puberty Blues.
- During an interview Emily Browning stated Abbie as being the toughest out of all the girls when they first started training. Abbie said that she saw part of her strength coming from her Mother who was a National Women's full contact karate champion and was a brown belt in karate.