Results summary ;Colour key Act in Team Dannii Act in Team Guy Act in Team Chris Act in Team James : – Act in the bottom two and had to perform again in the final showdown : – Act was in the bottom three but received the fewest votes and was immediately eliminated : – Act received the fewest public votes and was immediately eliminated (no final showdown) Sebastian was not required to vote as there was already a majority.
Live show details Week 1 (27/29 September) • Theme: Launch Party • Group performance: "
Gold Dust" • Celebrity performers:
Jessica Mauboy ("
This Ain't Love") and
Justin Bieber ("
What Do You Mean?") ; Judges' vote to eliminate • Minogue: Dan Hamill – backed her own act, Georgia Denton. • Blunt: Georgia Denton – backed his own act, Dan Hamill. • Isaak: Dan Hamill – wanted to see what Denton was going to do next. • Sebastian: Dan Hamill – thought Denton still had more to deliver. ; Notes • This week's live performance show aired on Sunday night due to the
Seven Network's coverage of the
2015 Brownlow Medal on Monday night.
Week 2 (5/6 October) • Theme: Decades Challenge • Group performance: "
Up" • Celebrity performers: • Monday:
One Direction ("
Drag Me Down") • Tuesday:
Ellie Goulding ("
On My Mind") and
Robbie Williams ("
Angels") ; Judges' vote to eliminate • Minogue: The Fisher Boys – felt that Jess and Matt has develop more. • Blunt: The Fisher Boys – felt that The Fisher Boys went too far that week. • Isaak: The Fisher Boys – thought Jess & Matt had the X Factor. • Sebastian was not required to vote as there was already a majority and did not say how he would have voted as both acts were in his category. ; Notes • A video of One Direction's performance of "Drag Me Down" from their
On the Road Again Tour was shown on Monday night. • On 17 October 2015, the performances of three contestants entered the
ARIA Singles Chart. Cyrus Villanueva's performance of "Wicked Game" debuted at number 6, Mahalia Simpson's performance of "Hello" debuted at number 88, and Louise Adams' performance of "People Help the People" debuted at number 91.
Week 3 (12/13 October) • Theme: Top 10 Hits • Group performance: "
Rather Be" • Celebrity performers:
Jess Glynne ("
Don't Be So Hard on Yourself"), Chris Isaak ("
Please Don't Call"), and
Little Mix ("
Love Me Like You") ; Judges' vote to eliminate
Week 4 (19/20 October) • Theme: Rock • Group performance: "
Mickey" / "
Shake It Off" • Celebrity performers:
Conrad Sewell ("
Who You Lovin") and
Adam Lambert ("
Another Lonely Night") ; Judges' vote to eliminate • Blunt: In Stereo – complimented In Stereo's final showdown performance but felt it was "too little too late". • Isaak: In Stereo – gave no reason, although stated that the final showdown performances were close. • Minogue: In Stereo – felt In Stereo were worse that week. • Sebastian was not required to vote as there was already a majority and did not say how he would have voted as both acts were in his category.
Week 5 (26/27 October) • Theme: Trailblazers • Group performance: "
Whip It!" with
LunchMoney Lewis • Celebrity performers: LunchMoney Lewis ("
Bills"),
Peking Duk ("
Say My Name") and
Nathaniel ("Always Be Yours") ; Judges' vote to eliminate • Sebastian: Michaela Baranov – stated he was fond of Simpson. • Isaak: Michaela Baranov – thought Simpson was suited to the show. • Minogue: Mahalia Simpson – decided to vote for Simpson in an attempt to give Blunt an opportunity to send the result to deadlock. • Blunt: Michaela Baranov – felt Simpson had improved more. ; Notes • On 7 November 2015, the performances of two acts entered the ARIA Singles Chart. Jess & Matt's performance of "Dancing in the Dark" debuted at number 107 and Cyrus Villanueva's performance of "Rumour Has It" debuted at number 109.
Week 6 (2/3 November) • Theme: Judge's Challenge • Group performance: "
Fight Song" • Celebrity performers:
Rachel Platten ("
Stand by You"),
Hozier ("
From Eden") and
Aston Merrygold ("Show Me")
Week 7: Quarter-Final (9/10 November) • Mentor:
Samantha Jade • Group performance: "
Time After Time" • Celebrity performers: • Monday:
Marlisa Punzalan ("Forever Young") • Tuesday:
Vance Joy ("
Fire and the Flood") and Samantha Jade ("
Shake That") ; Judges' vote to eliminate • Isaak: Mahalia Simpson – backed his own act, Big T. • Minogue: Big T – backed her own act, Mahalia Simpson. • Sebastian: Big T – felt that Simpson was "ready as an artist". • Blunt: Mahalia Simpson – felt that
The X Factor "squashed" her artistry. With the acts in the bottom two receiving two votes each, the result went to deadlock and reverted to the earlier public vote for the second week in a row. Simpson was eliminated as the act with the fewest public votes. ; Notes • For the first time this season, there was no theme and each mentor picked any song they wanted for their remaining acts.
Week 8: Semi-Final (16/17 November) • Theme: Killer Tracks and Curveballs • Group performance: "
Que Sera" with
Justice Crew • Celebrity performers: • Monday: One Direction ("
Perfect") • Tuesday: Justice Crew ("
Good Time"),
Guy Sebastian ("
Black & Blue") and
Rob Thomas ("Hold on Forever") ; Judges' vote to send through to the Grand Final Jess & Matt received the fewest public votes and were automatically eliminated. ;24 November • Theme: Best Song • Group performances: • "
Lean On" (Top 12) • "
You're Beautiful" (Top 12 with James Blunt) • "
One" (Top 2) • Celebrity performers:
Jason Derulo ("Get Ugly"),
Rudimental ("
Lay It All on Me") and
Kylie Minogue &
Dannii Minogue ("
100 Degrees") ==Reception==