TV MACKAY teen gives one last performance in live semi-final.
TV MACKAY teen has The Veronicas' favourite voice.
TV THE 16-year-old schoolgirl has graduated to recording artist.
TV DELTA Goodrem admits to feeling like the "third wheel".
TV THE British pop star has made her presence felt in the new season.
TV DELTA Goodrem talks new coaches, fresh talent and the fast pass.
