The six-chair challenge took place from 9 to 12 July, at The SSE Arena, Wembley.
60 acts faced the Six Chair Challenge; 15 from each category.
The episodes were broadcast on 24 and 25 September.
|Cowell||Girls||Sohelia Clifford||Kayleigh Marie Morgan||Olivia Garcia||Emily Middlemas||Gifty Louise Agyeman||Caitlyn Vanbeck|
|Osbourne||Over 25s||Samantha Atkinson||James Wilson||Relley C||Christopher Peyton||Janet Grogan||Ivy Grace Paredes*|
|Scherzinger||Boys||Nate Simpson||James Hughes||Niall Sexton||Freddy Parker||Matt Terry||Christian Burrows|
|Walsh||Groups||The Brooks||Skarl3t||Bradley Hunt and Ottavio Collumbro||4 of Diamonds||5AM||Tom and Laura|
- On 20 September 2016, it was reported that Ivy Grace Paredes had withdrawn from the show due to visa issues after successfully making it to Judges' Houses.