Her early career as a child actress, she appeared in different Television programs, it was in 2002 that she got her first leading role as Nina Tucker in the Soap Opera called “Neighbours”. A year later she decided to pursuit a career in music as a singer, closing a contract with Sony Music in 2003. It was this year when she released the album called “Innocent Eyes”, this album not only reached number two on the music Charts of Australia and UK, it also was a multiplatinum sales album becoming one of the highest selling ones in the history of Australia. This album included the singles “Not me, not I”, “Born to try”, “Innocent Eyes” and “Predictable” reaching over four million copies sold all around the world. The song “Predictable” was number one in Australia, the rest of the singles reached top ten position at the United Kingdom Charts. With these numbers she obtained the record for being the first solo artist to have five singles from a debut album at number one positions.
Her following albums also gained commercial success on the ARIA Album Charts, in 2004 she released her second album called “Mistaken Identity”, she wrote this material while struggling with cancer. In 2007 the singer released her third album called “Delta” also reaching number one on the Charts. By 2012 she released her fourth record called “Child of the Universe” reaching number two. Through her careers she has released a total of sixteen top hits and achieved nine number one singles in Australia.
She has received various awards including ten ARIA Music Awards, three World Music Awards and one MTV Video Music Award. From 2013 to 2015 she has participated in the television program The Voice Australia as a singing coach and mentor.