The Blind Auditions come to an end and the ten acts on each team must go through the Callbacks, a brand-new round with guest mentors including David Guetta, MNEK, and Tom Grennan.
| Name | Type | Role | |
|---|---|---|---|
| Emma Willis | Host | ||
| MNEK | Guest Star | ||
| James Arthur | Guest Star | ||
| Tom Grennan | Guest Star | ||
| David Guetta | Guest Star |