Her second studio album, Mistaken Identity (2004), was created while she was suffering from cancer and several of its themes reflect this.
It became her second number-one album and brought her two more number-one singles, including "Out of the Blue".
The news of her diagnosis made newspaper and television headlines and an outpouring of support was shown by fans and the general public alike.
Goodrem's second album Mistaken Identity, was released in Australia on 8 November 2004 and debuted at number one on the ARIA Albums chart.She appeared in numerous commercials for companies such as Optus and Nesquik, and had several minor roles in episodes of successful Australian television shows including Hey Dad..! While residing at Glenhaven, a suburb of Sydney, Goodrem attended the Hills Grammar School in neighbouring Kenthurst, from kindergarten until Year 11.She is known to return to her alma mater for visits.In 2007, Goodrem released Delta, her third number-one album, which saw another number-one single, "In This Life".Her fourth studio album, Child of the Universe (2012), produced the successful single "Sitting on Top of the World".She began her career as a child actress, starring in various television shows.