Auditions In 2011, the minimum age for contestants to audition was changed to 14 years old, having previously been 16 years old. Auditions in front of the show's producers began in March 2011 in five cities:
Perth (Parmelia Hilton, 27 March),
Adelaide (
AAMI Stadium, 29 March),
Brisbane (
Gold Coast Convention and Exhibition Centre, 2–3 April),
Sydney (
Australian Technology Park, 8–10 April) and
Melbourne (
Moonee Valley Racecourse, 15–17 April). The successful auditionees chosen by the producers were then invited back to the last set of auditions that took place in front of the judges and a live studio audience. These auditions were held in three cities: Brisbane (
Brisbane Entertainment Centre, 21–22 May), Melbourne (
Hisense Arena, 27–29 May), and Sydney (
Sydney Entertainment Centre, 2–3 June).
Bootcamp The bootcamp stage was held in Sydney and was first broadcast on 7 September 2011. On the first day of bootcamp, each judge was given a category to mentor and were joined by a celebrity guest judge to help them decide their top twelve acts. On the second day, the Boys each had to sing a song made famously by a female artist, the Over 25s got styled for a photo shoot and later each had to perform one song, the Girls had to perform choreography to either
Adele's "
Rolling in the Deep" or
Lady Gaga's "
Born This Way", and the Groups held recording sessions with vocal producer
Erana Clark. On the third day of bootcamp, the judges along with their celebrity guest judges, narrowed down the contestants to six each. The 24 successful contestants were: •
Boys: Rob Baron, Trent Bell, Reece Mastin, Johnny Ruffo, Declan Sykes, Mali Talefenua •
Girls: Tyla Bertolli, Sophie Metcalfe (replaced Tara-Lynn Sharrock due to Visa issues), Chantelle Morrell, Jacqui Newland, Christina Parie, Amy Walton •
Over 25s: Mitchell Callaway, Pamela Cook, Marina Davis, Cleo Howman, Paige Phoenix, Andrew Wishart •
Groups: Audio Vixen, Femme Da Funk, Hype (previously known as Lazy J & Big Guy), Three Wishez, Up Front, Young Men Society
Judges' House The final round of the selection process, After, the judges along with their celebrity guest judges, narrowed down the contestants to three each. ==Acts ==