She is also known for her roles as Karen Oldman in Neighbours (1998–1999), Jodie Spiteri in Wentworth (2015), and Jen in Mustangs FC (2017–2020), as well as winning Australian Survivor in 2019.

[1][2] Born in Melbourne, Victoria, Miranda spent the majority of her early life travelling throughout Australia with her family, attending a large number of schools.

[6][7][8] After university, Miranda studied drama at the Atlantic Theater Company in New York for one year[9] before playing Karen Oldman on the Australian soap Neighbours, from 1998 to 1999.

The movie was based on the novel written by Melina Marchetta in 1992, where seventeen-year-old Josephine Alibrandi deals with the stresses of Year Twelve, her illegitimacy, the reunion with her father, new-found companionship, the death of her close friend and life as a third-generation migrant in contemporary Australian society.

Miranda co-starred with fellow prominent Australian actors Kick Gurry, Anthony LaPaglia, Greta Scacchi, Elana Cotta and Matthew Newton.

[13] Miranda has also worked as a celebrity artist for A Midwinter Night's Dream, a ticketed charity auction of art with pillow cases as the medium and inspired by the childhood dreams of artists and celebrities, to raise money for War Child Australia and was a judge for the 2005 Project Greenlight competition alongside fellow actors such as Sam Worthington.

After 50 Days of competition, she ultimately won the series, winning the Final Jury Vote unanimously 9–0 over fellow finalist Baden Gilbert.

In October 2023 Miranda released her first book, a memoir titled Finding My Bella Vita,[21] which tells the story of how Looking for Alibrandi changed her life and how her career almost went in a very different way.

[23] In March 2001, Miranda married her boyfriend Luke Hanigan,[24] lead singer and guitarist of the Australian band Lo-Tel,[25][26] at the Elvis Presley chapel in Las Vegas after four months of dating.